Understanding True Production Costs: A Guide for Nigerian Manufacturers

March 02, 2026

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Emeka owns a small plastics manufacturing business in Nnewi. He has been producing household buckets and basins for twelve years. He knows his raw material prices by heart, he pays his workers on time, and he has never missed a delivery. Yet every year, when he sits down with his accountant at the end of December, the profit figure is smaller than he expected. Some years, after all that running around, after all the fuel spent, after all the overtime paid to workers, there is barely any profit at all despite a factory that ran flat out all year and a market that kept buying everything he produced.

Emeka is not unusual. Across Nigeria from food processors in Kano to cosmetics manufacturers in Lagos, from textile producers in Kaduna to pharmaceutical firms in Ogun State thousands of factory owners are pricing their products without truly understanding what it costs to make them. They know what they spend on raw materials. They know what they pay workers. But that is where most of their cost knowledge ends. And the gap between what they think they spend and what they actually spend is precisely the gap eating their profit, month after month, year after year.


Why Most Nigerian Manufacturers Don't Know Their True Costs

The Dangerous Simplification

Ask most Nigerian factory owners what it costs to make a unit of their product and they will give you an answer built from two or three items: the raw materials, the cost of labour, and perhaps the electricity bill. This is an understandable starting point. These are the costs that arrive on invoices, the ones you pay in cash and feel immediately. But stopping there is like a bus driver calculating the cost of a Lagos-to-Abuja trip using only the price of fuel, and forgetting the driver's salary, the tyre wear, the police toll stops, the bus maintenance, and the loan repayment on the vehicle. The fuel is real, but it is only part of the picture.

True production cost is made up of ten or more different categories, and missing even two or three of them means your price is built on a faulty foundation. You might think you are making a profit of fifty naira on every unit. Once all the real costs are properly accounted for, you may discover you are actually making ten naira or worse, losing money. The factory is busy, the sales are flowing, but underneath the activity the business is slowly bleeding out.

The Nigerian Cost Environment Is Uniquely Complicated

Calculating production costs in Nigeria is genuinely harder than in most other countries in the world. This is not because Nigerian manufacturers are less intelligent or less capable. It is because the Nigerian operating environment layers on costs that manufacturers in more stable economies never have to think about. In Germany or Malaysia, a factory owner does not need to budget for diesel because the electricity never goes off for eight hours a day. In South Africa or Morocco, a manufacturer does not wake up to find that the naira has fallen ten percent against the dollar overnight, making all their imported raw materials suddenly more expensive.

In Nigeria, these things happen regularly, and each of them adds a layer of cost that must be calculated, tracked, and recovered in the price of the product. The manufacturer who ignores them is not running a leaner business they are simply choosing not to see the costs that are already there.

Most Accounting Systems in Nigerian Factories Are Built for Tax, Not for Management

Here is something that surprises many factory owners when they first hear it: the financial records that your accountant maintains are usually designed to satisfy the tax authorities, not to help you manage your business. Your accountant records total expenses the total diesel spend, the total wage bill, the total raw material purchases because that is what FIRS and the auditors want to see. But those totals, sitting in a ledger, do not tell you what each product actually costs to make.

Imagine a factory that makes five different products. At the end of the month, the accountant records that the factory spent two million naira on diesel. But two million naira divided equally across five products is meaningless if one product uses three times as much machine time as another, and therefore three times as much diesel. Unless you allocate costs to individual products based on what each product actually consumes, your cost figures are averages and averages in manufacturing are dangerous, because they hide the profitable products behind the unprofitable ones.


The Complete Picture: Every Cost That Goes Into Making Your Product

Let us now go through every major category of production cost one by one, in plain language so that by the end of this section you have a complete picture of everything that your price needs to cover.

Direct Materials: The Cost Is Always Higher Than the Invoice

Direct materials are the physical inputs that go into your product the raw materials, the packaging, the ingredients. These are the costs most manufacturers track, and they are right to do so. But even here, the full cost is almost always higher than the invoice amount, and the gap is where trouble hides.

Think about a Lagos-based beverage manufacturer importing flavour concentrate from a supplier in Europe. The invoice says fifty thousand US dollars. But to get that concentrate from a European warehouse to a Lagos factory, the manufacturer must also pay customs duties when it arrives at the port, clearing agent fees to handle the documentation, port handling charges to move the containers, truck hire to drive the goods from Apapa or Tin Can Island to the factory, insurance in case the goods are damaged in transit, and the interest cost on the letter of credit that was opened with the bank to pay for the goods in the first place. By the time that concentrate is inside the factory and ready to be used, its true naira cost may be thirty to fifty percent higher than what the original invoice said.

The same principle applies to locally sourced materials. A food manufacturer buying tomatoes from Benue State must account not just for the farm-gate price, but for the cost of transporting those tomatoes to the factory, the portion that arrives bruised or rotten and must be discarded, the labour cost of sorting and inspecting the delivery, and the storage losses that occur in the days between arrival and use. Every one of these costs was incurred to put that tomato into your product. Every one of them belongs in your material cost per unit.

Labour: What It Really Costs to Employ a Human Being

Labour cost is the second item that manufacturers usually track but the number most of them track is too small. The common mistake is to use the basic wage as the full cost of a worker. But employing a person in a Nigerian factory involves much more than paying their monthly salary. There is the housing allowance and transport allowance that are part of most formal employment packages. There is the meal subsidy that keeps workers fed on site. There is the employer's contribution to the worker's pension fund under Nigeria's Contributory Pension Scheme currently ten percent of basic salary plus housing allowance paid by the employer. There is the employer's contribution to the National Social Insurance Trust Fund, which provides compensation for workplace injuries. There is the Industrial Training Fund levy, charged on businesses above a certain payroll size. And there are end-of-year bonuses that, even when described as discretionary, have become expected in most Nigerian factory cultures.

When all of these are added together, the real cost of employing a production worker is typically forty to sixty percent above their take-home pay. A factory with one hundred workers, each earning fifty thousand naira per month in basic wages, is not spending five million naira a month on labour. It is spending seven to eight million, once all the true employment costs are counted. A cost model built on the five million figure is therefore wrong by two to three million naira every single month.

Energy: The Cost That Is Paid Twice and Rarely Counted Properly

Energy is where Nigerian manufacturers experience their most unique and most consistently underestimated cost. In most countries, a factory pays one electricity bill and that is the end of it. In Nigeria, you pay PHCN for the hours when public supply is available typically between two and six hours a day in most industrial locations and then you pay again for diesel to run your generator for the remaining six to ten hours when PHCN power is absent. You are, in effect, buying electricity twice every day, at two very different prices. PHCN power, when it arrives, costs roughly eighty to one hundred and twenty naira per kilowatt-hour. Diesel-generated power, once you calculate the quantity of diesel consumed per hour and the kilowatt-hours produced, typically costs three hundred to five hundred naira per kilowatt-hour. Running your factory on generator power costs three to five times as much as running it on grid power.

Equipment Depreciation: The Cost You Pay Even When No Money Leaves Your Account

This is the cost that confuses more Nigerian factory owners than any other, and it is one of the most important to understand. When you buy a machine let us say a packaging machine costing ten million naira and you pay for it outright from your business savings or your bank loan, it is tempting to think that the machine is now free. You have paid for it. There is no monthly payment. So why should it appear in your production cost?

The answer is this: that machine will not last forever. After five or seven or ten years of hard use, it will wear out, break down beyond repair, or become too slow and outdated to keep your production competitive. When that day comes, you will need another ten million naira or more, given how inflation and naira depreciation tend to push up the cost of imported machinery to replace it. If you have not been setting aside money throughout the machine's life to fund that eventual replacement, you will face a financial crisis the day the machine dies. You will need to find replacement capital from nowhere at the worst possible moment.

Depreciation is simply the discipline of recognising, every single month, that your machine is getting older, getting closer to the day it will need replacing, and that a portion of its replacement cost should be counted as a cost of production right now. A ten-million-naira machine with a useful life of ten years loses one million naira of value every year or roughly eighty-three thousand naira of value every month. That eighty-three thousand naira should be divided by the number of units produced each month and added to the cost of each unit. Not because money is leaving your account it is not but because value is being consumed, and that consumed value must eventually be replaced.

Waste, Scrap, and Rework: The Materials You Bought But Never Sold

In every manufacturing process, some portion of the raw material that enters the factory never makes it into a finished product that a customer pays for. In a food processing plant, there is trim waste, spillage, evaporation, and quality rejects. In a pharmaceutical plant, entire batches sometimes fail quality testing and must be destroyed. In a garment factory, fabric is cut into shapes that leave offcuts which cannot be used. In a plastics factory, there are start-up purges, colour changeover waste, and moulded parts that come out of specification.

All of this waste was purchased at full price. Every kilogram of tomato that goes into the reject bin was transported to the factory, handled by your workers, and processed through your machines. You paid for all of that. The customer never received it and never paid for it. Which means the cost of that lost material must be recovered from the units that did reach the customer. If your tomato processing plant wastes ten percent of every batch, then every sellable tin of tomato paste must cover not just the cost of the tomatoes that went into it, but also a share of the cost of the tomatoes that were thrown away. To ignore this is to understate your true material cost by your full waste percentage.

Regulatory and Compliance Costs: The Price of Operating Legally in Nigeria

Running a legitimate manufacturing business in Nigeria means dealing with a range of government agencies, each of which charges fees for the licences, registrations, and certifications that allow you to operate legally and sell your products in the market. NAFDAC charges registration fees for every product you sell in categories it regulates food, beverages, cosmetics, pharmaceuticals, and more. The Standards Organisation of Nigeria charges for product certification and periodic re-certification audits. The Federal Inland Revenue Service has its own compliance requirements. The National Environmental Standards and Regulations Enforcement Agency may require environmental impact assessments and periodic compliance audits. Depending on your industry, you may also pay industrial safety inspection fees, sector-specific levies, and annual renewal charges across multiple agencies.

The Cost of Downtime: What It Costs When Nothing Is Being Made

This is perhaps the most invisible cost of all, because it is a cost incurred in the absence of production rather than in its presence. When your production line stops because the generator failed, because a machine broke down, because a raw material ran out, because there was a shift changeover delay the factory does not stop costing you money. Your workers are still there, being paid. Your supervisors are still there. Your factory rent is still running. Your bank loan interest is still accumulating. But no products are being made and no revenue is being generated.

To understand the true cost of downtime in your factory, take your total daily factory overhead all the fixed costs you incur every day simply by having a factory open, regardless of what it produces and divide it by your planned production hours. For a factory with five hundred thousand naira in daily overhead running on a planned eight-hour shift, each hour of downtime costs sixty-two thousand five hundred naira in absorbed overhead alone. That is before accounting for the contribution margin of the units you should have produced but did not. A factory that loses three hours per day to downtime through generator switching, machine stoppages, and waiting time is losing nearly two hundred thousand naira per day in overhead costs that produced nothing. Over a working month of twenty-two days, that is four million four hundred thousand naira of wasted overhead. That cost is real, even though no invoice arrives for it.


The Formula: How to Add It All Up

From Individual Costs to a Single Number

Once you understand all the cost categories described above, the next step is to bring them together into a single number: the true cost of producing one unit of each product in your factory. This number is called your standard cost per unit, and it is the most important number in your business. It tells you the floor below which you cannot sell without making a loss. It tells you which products are genuinely profitable and which are not. And it tells you, clearly and without ambiguity, whether the prices you are currently charging your customers are covering everything your business needs to survive and grow.

The formula is straightforward in its logic, even if gathering all the inputs takes some work. You begin with your direct material cost per unit the true cost of every material that goes into one unit of product, including all the import, transport, and handling costs described earlier. To that you add your direct labour cost per unit the total employment cost of all the workers involved in making that product, divided by the number of units they produce. To that you add your energy cost per unit, calculated using the method described in the energy section. Then you add your equipment depreciation per unit, your waste and rework allowance per unit, your regulatory compliance cost per unit, and your overhead absorption per unit the share of all your fixed factory costs that each unit must carry. Finally, you add the cost of financing the working capital you use to run your production cycle the interest on any bank loans used to buy raw materials or fund your operations.

A Worked Example: Iya Sade's Tomato Processing Plant in Abeokuta

Let us make this real with a practical example. Iya Sade runs a tomato paste processing plant in Abeokuta, producing five-hundred-millilitre tins. She is a sharp businesswoman who has been in production for eight years. Until recently, she calculated her cost per tin by adding up the cost of tomatoes, tins, labels, and lids, then adding her workers' basic wages and a rough estimate of her PHCN electricity bill. Based on this calculation, she believed her cost was three hundred and eighty naira per tin, and she was selling to supermarkets at four hundred and twenty naira giving her, she thought, a forty-naira margin per tin.

When a management accountant sat down with Iya Sade and worked through all her costs properly, the picture changed completely. Her true direct material cost once transport from the farm, arrival spoilage, and packaging import duties were included was two hundred and eighty naira per tin. Her true labour cost once pension contributions, NSITF, and overtime were included came to sixty-two naira per tin. Her energy cost, properly calculated including diesel at actual generator utilisation, was forty-one naira per tin. Equipment depreciation on her processing line, generator, and forklifts added eighteen naira per tin. Waste and spoilage, covering the tomatoes that did not make it into sellable tins, added twenty-two naira per tin. Regulatory compliance costs NAFDAC fees, SON certification, health authority permits added nine naira per tin. A downtime allowance, reflecting the three hours per day her plant averaged in non-productive time, added fourteen naira per tin. And the interest on her working capital bank loan, at a commercial rate of twenty-six percent per annum, added nineteen naira per tin.

Understanding Overhead Absorption Without the Jargon

The concept of overhead absorption sounds technical and intimidating, but it is actually very simple once you break it down. Every factory has costs that it must pay every month regardless of how much it produces. The rent on the factory building. The salary of the quality control manager. The annual factory insurance premium. The cost of security guards at the gate. These costs do not go up when you produce more and they do not go down when you produce less. They are fixed. Accountants call them fixed overheads.

The question is: how should these fixed costs be fairly shared across all the products you make? The answer is to use production time as the basis for allocation. A product that takes your machines two hours to produce should carry twice as much of the factory's fixed overhead as a product that takes only one hour. To calculate this, you divide your total monthly fixed overhead by your total planned production hours. This gives you an overhead cost per production hour. You then multiply that number by the machine hours each unit of each product requires. The result is the overhead cost that each unit of that product must carry its fair share of all the costs that keep your factory running.


The Foreign Exchange Problem: When Your Costs Move Every Day

The Hidden Cost of Selling in Naira While Buying in Dollars

For any Nigerian manufacturer who imports raw materials, components, or machinery which, given Nigeria's current level of import dependency, means most manufacturers foreign exchange movement is not an accounting detail. It is one of the most powerful forces acting on your cost structure, and it can make your cost model obsolete overnight.

Here is how the problem works. Suppose you use a chemical input that you import from China. In January, the dollar is trading at one thousand two hundred naira, and your chemical costs you twenty dollars per kilogram, which is twenty-four thousand naira per kilogram. You build that cost into your price and start selling. By April, the dollar has moved to one thousand five hundred naira. Your chemical now costs thirty thousand naira per kilogram a twenty-five percent increase even though the dollar price of the chemical has not changed at all. But your product is still being sold at the January price, because you agreed a price with your customer that was supposed to be fixed for six months.

Building Currency Risk Into Your Price

The practical response to currency risk is not to hope the naira stays stable. Nigerian manufacturers have been hoping that for decades, with predictable results. The practical response is to build a currency risk allowance into your standard cost an additional buffer, calculated as a percentage of your import content, that provides protection against moderate naira weakness during the period between your price review and your next delivery.

To calculate this allowance, you need to know two things: what proportion of your total production cost comes from imported inputs, and how much the naira has historically moved in the timeframe of your typical customer contract. If fifty percent of your cost is import-linked and the naira has averaged a fifteen percent annual depreciation over the past five years, you should include a currency risk allowance of approximately seven to eight percent of your total production cost the product of your import exposure and your expected depreciation in every price you quote. This will not perfectly protect you in years of extreme currency movement. But it will prevent the most common scenario, where a manufacturer prices in January and discovers by June that they are selling below cost because the naira has weakened in the meantime.


The Mistakes That Are Quietly Destroying Nigerian Manufacturers' Profits

Pricing From the Market Down Instead of the Cost Up

One of the most common and most dangerous habits in Nigerian manufacturing is to set prices by looking at what competitors are charging and then matching or undercutting them without ever asking whether those competitor prices actually cover the full cost of production. The logic seems sensible at first: if my competitor is selling at five hundred naira and buyers are accepting that price, I should price at five hundred naira too. The problem is that your competitor may be making the exact same costing mistake you are. They may also be unknowingly selling below their true cost. An entire market can be structured around prices that do not cover real costs, with every manufacturer slowly cannibalising their own capital without realising it.

Using Last Year's Numbers in This Year's Prices

In a country with Nigeria's inflation rate, fuel price volatility, and exchange rate movement, a standard cost calculated twelve months ago is almost certainly out of date today. Diesel prices have changed. The naira has moved. Raw material prices from your suppliers have been revised. Your workers received a salary increase at the start of the year. The bank interest rate on your working capital loan has shifted. If your prices were last reviewed in January and you are now in October, you have nine months of cost movement that may never have been reflected in what you charge your customers.

The discipline required to prevent this problem is simple to describe but requires consistent practice: review your standard cost formally at least once every three months. And trigger an immediate review whenever any significant cost driver moves by more than five percent in either direction whether that is the pump price of diesel, the exchange rate, the price of a key raw material, or the cost of any major regulatory fee. Treat your standard cost not as an annual document but as a living record of what your factory actually costs to run updated constantly as reality changes.

Treating Equipment Purchases as One-Time Expenses

When a Kano textile manufacturer buys a new weaving machine, the natural instinct is to record it as a one-time capital expenditure and then forget about it in the day-to-day cost calculations. The machine is bought, it is sitting on the floor making fabric, and as long as it is running there seems to be no ongoing cost associated with it. This is a very expensive illusion. From the moment that machine starts running, it is getting older, wearing out, and moving closer to the day when it will need to be replaced. If the machine cost twenty million naira and will last ten years, the business is consuming two million naira of machine value every year one hundred and sixty-seven thousand naira of value every month. That monthly consumption of value is a real cost, and it must be in your product pricing, or one day your machine will stop and you will have no money to replace it.

Treating the Nigerian Business Environment's Extra Costs as Acceptable Losses

There is a mindset that is common among Nigerian factory owners, born from years of operating in a difficult environment: a quiet acceptance that certain costs simply cannot be controlled or counted, so they might as well be ignored. The unofficial charges at the port. The bribe demanded at a regulatory inspection. The money paid to make a local government official go away. The cost of water treatment because the municipal water supply is unusable. The security levy to the estate management company running the industrial zone. These costs are real, they recur, and they are significant. Ignoring them because they are uncomfortable or because they exist in a grey area does not make them disappear from your profit and loss account. The money leaves your business regardless of whether you acknowledge it in your cost model. The discipline of a serious manufacturing business is to record these costs honestly, include them in your total cost of production, and ensure that your prices recover them because if your prices do not, your profits will.


Building a Simple System to Track Your Costs Every Month

You Do Not Need Expensive Software to Get This Right

Many Nigerian manufacturers hear the words 'cost management system' and immediately imagine expensive ERP software, an IT team to implement it, and months of disruption. The reality is far simpler. A properly structured spreadsheet, maintained consistently by someone who understands your operations, is enough to transform the quality of your cost management. The technology does not matter nearly as much as the discipline of actually doing the calculation every month without fail.

What you need, at a minimum, is a standard cost sheet for each product that lists every cost component, the quantity of each input required per unit, the current price of each input, and the resulting cost per unit. You need a monthly record of what you actually spent on each cost category and how many units you actually produced. You need a comparison between your standard cost and your actual cost, so that you can see when costs have moved and by how much. And you need a simple rule that tells you when to trigger a price review for example, any time your actual cost exceeds your standard cost by more than five percent for two months in a row.

Involve Your Production Team, Not Just Your Accountant

The most common failure mode of cost management in Nigerian factories is treating it as purely a finance department activity. The accountant maintains the spreadsheet. The factory manager never sees it. The line supervisors have no idea what the cost targets are. This is backwards. The people who know most about where costs are being generated and where they are being wasted are the people on the factory floor. Your line supervisors know when raw materials are being wasted in volumes that are higher than normal. Your maintenance team knows when a machine is consuming more diesel than it should. Your procurement officer knows the moment a supplier raises their price. Your storekeeper knows when finished goods are leaving the warehouse damaged and unsellable.

Building a culture where these people are expected to notice and report cost-relevant information and where that information reaches the standard cost model quickly multiplies the power of your cost management beyond what any accountant working alone could achieve. It also gives your workers a sense of ownership over the financial health of the business, which has its own motivational value.

The Monthly Cost Review: One Meeting That Pays for Itself

Establish a standing monthly meeting no more than one hour where your production manager, your finance or accounting representative, and your procurement lead sit together and review the previous month's actual costs against your standard costs for each product. The purpose of this meeting is not to assign blame. It is to identify the largest gaps between what you expected to spend and what you actually spent, understand why those gaps exist, and agree on specific actions to address them.

If your diesel cost was thirty percent above your standard allowance, you need to understand whether the generator ran more hours than planned due to increased PHCN outages, or whether there was a fuel theft problem, or whether the generator efficiency has declined and it is now consuming more diesel per kilowatt-hour than before. Each of those causes requires a different response. If your raw material cost per unit was higher than standard, you need to know whether the input price increased, whether your yield has dropped, or whether someone is not weighing materials accurately on the production line. The monthly cost review is the moment when invisible costs become visible and visible costs can be managed.


What Cost Clarity Does for Your Business Beyond Pricing

Knowing Which Products Are Actually Making You Money

One of the most powerful revelations that comes from building a true cost model for your entire product range is the ability to see, clearly and without ambiguity, which of your products is genuinely profitable and which is not. Most Nigerian manufacturers who go through this exercise for the first time are surprised and often unsettled by what they find. The product that sells the most is not always the most profitable. The product with the highest selling price is not always the one with the widest margin. And somewhere in the product range, almost always, there is one or two products that upon honest examination are being sold at a loss products that are subsidised by the genuinely profitable ones without anyone ever consciously deciding that this subsidy should exist.

Knowing this allows you to make rational strategic decisions. You can redirect sales and marketing effort toward the products that earn the best genuine margin. You can reprice the products that are currently loss-making to reflect their true cost. You can investigate whether process improvements could make a currently marginal product genuinely profitable. And if a product cannot be made profitable at a price the market will accept, you can discontinue it and free up the machines, workers, and management attention it was consuming redirecting all of that toward products that actually build your business.

Negotiating From a Position of Knowledge

There is a common and painful experience among Nigerian manufacturers: a major customer a large supermarket chain, a distributor with significant volume, a government procurement officer demands a price reduction and threatens to take their business elsewhere if it is not granted. The manufacturer, panicked at the thought of losing the volume, accepts the reduction without properly thinking through whether the new price still covers the full cost of production. Six months later, the business is carrying that customer's orders at a loss and cannot find a way out of the arrangement without losing the volume entirely.

A manufacturer who knows their true cost is in a completely different negotiating position. When the demand for a price reduction arrives, they can respond with specific, documented information: here is our current cost structure, here are the components that cannot be reduced without compromising quality or endangering our regulatory compliance, and here are the areas where we are actively working to improve efficiency and are prepared to share the savings with you in future. This is a conversation built on facts. It is far more credible, and far more likely to produce a fair outcome, than either an instinctive refusal or a desperate capitulation.

Accessing Better Financing

Nigerian banks and development finance institutions including the Bank of Industry, NEXIM Bank, and the various Central Bank of Nigeria intervention funds make lending decisions based on their assessment of a business's financial discipline and repayment capacity. A manufacturer who can present a well-documented cost model, a product-by-product margin analysis, and a track record of monthly cost-versus-actual reviews is presenting a much more compelling and trustworthy borrower profile than one who can only produce a top-line revenue figure and a rough estimate of profitability. The quality of your financial management documentation directly affects the interest rate you are offered, the tenor of the loan, and often whether you are offered financing at all. Cost clarity is not just an internal management tool. It is a commercial credential that opens doors.


Conclusion: Know Your Costs. Protect Your Business.

Nigeria is one of the most demanding places in the world to run a manufacturing business. The electricity goes off. The exchange rate moves. The cost of diesel changes without warning. Regulatory requirements multiply. Bank interest rates remain punishingly high. And through all of this, the Nigerian manufacturer is expected to produce quality goods, pay their workers, satisfy their customers, and somehow generate a profit that justifies everything they are going through.

None of that is possible without knowing what it truly costs to make each product. Not approximately. Not based on last year's figures. Not based on what the market seems to be willing to pay. Based on a careful, honest, complete calculation of every single naira that is consumed in the process of making each unit from the raw material at the farm gate to the finished product leaving the factory door.

The manufacturers who know these numbers are the ones who can defend their prices with confidence, negotiate from strength, identify and eliminate their loss-making products, access growth financing on reasonable terms, and build businesses that grow steadily rather than cycling endlessly between busy periods and financial crises. The manufacturers who do not know these numbers are the ones who end every December wondering where the money went despite a year of genuine hard work.