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How to read a profit and loss

A profit and loss statement tells you whether your business made money over a period of time. Learn what each line means and which numbers to watch. 9 min readWritten for owners, no accounting background needed

A shop owner reading a report on a tablet
Profit this month
RM 23,539.50

What a profit and loss statement is

A profit and loss statement, often shortened to P&L, is a report that answers one question: over this period, did the business make money? The period can be a week, a month, a quarter or a year. You pick it.

The idea is simple. Add up everything the business earned. Take away everything it cost to earn it. What is left is the profit. If the answer is below zero, it is a loss.

In plain words: profit and lossA scoreboard for a stretch of time. Like a video, not a photo. It shows what happened between two dates, then starts again from zero for the next period.

That "video, not photo" point matters. A different report, the balance sheet, is the photo: it shows what the business owns and owes on one particular day. The P&L has no memory of the past. It only counts activity inside the dates you chose.

The P&L is also called an income statement. Same report, different name. In Faas, owners see it as Profit in Easy Mode, while accountants open the full Profit and Loss report in Full Mode. Both read from the same books.

The layout, from top to bottom

Almost every P&L follows the same order. Read it like a waterfall, from top to bottom.

  1. Revenue (also called sales or income): what customers paid or owe you for what you sold.
  2. Cost of sales: the direct cost of what you sold, such as ingredients or the stock you bought to resell.
  3. Gross profit: revenue minus cost of sales.
  4. Expenses: the running costs, such as rent, wages, utilities and marketing.
  5. Net profit: gross profit minus expenses. The bottom line.
Example: profit and loss for one month
RevenueRM
SalesRM 48,000.00
Cost of sales (ingredients and packaging)-RM 16,800.00
Gross profitRM 31,200.00
Rent-RM 6,000.00
Wages-RM 12,000.00
Electricity and water-RM 1,800.00
Marketing-RM 1,200.00
Other costs-RM 2,400.00
Total expenses-RM 23,400.00
Net profitRM 7,800.00

Check the sums: RM 48,000.00 minus RM 16,800.00 is RM 31,200.00. Expenses add up to RM 23,400.00. RM 31,200.00 minus RM 23,400.00 leaves RM 7,800.00. We will use these figures through the rest of the guide.

Revenue: what counts and what does not

Revenue is the value of what you sold in the period. It counts when you earned it, which is usually when you delivered the work or the goods, not necessarily when the money reached your bank. An invoice you sent this month counts as this month's revenue even if the customer pays next month.

Some money that lands in your bank is not revenue, and this is where owners often get confused.

  • A loan. It is money you must pay back, so it is not a sale.
  • Money you put in yourself. That is the owner's capital, not income.
  • Tax you collected for the government. If you charge a sales or service tax, that tax is owed onward. It is not yours.
  • A refund from a supplier or a customer deposit for work not yet done. Depending on the situation these may belong elsewhere in the books.

When these are kept out of revenue, the top line honestly shows what the business earned from customers.

In plain words: revenueThe total value of what you sold in the period, before any costs are taken off. Another word for it is turnover, sales or income.

A good first habit: look at revenue by month and by type of sale. If it is growing, ask why. If it is falling, ask when the change started.

Cost of sales and gross profit

Cost of sales means the costs that exist only because you made a sale. For a cafe, that is ingredients and takeaway boxes. For a shop that resells goods, it is the price paid for the stock that was sold. For a service business such as a design studio, it may be a freelancer you hired for one client.

Take cost of sales away from revenue and you get gross profit. In our example it is RM 31,200.00.

Gross profit is most useful when you turn it into a percentage, called the gross margin. Divide gross profit by revenue: RM 31,200.00 divided by RM 48,000.00 is 0.65, so the gross margin is 65%. In plain words, for every RM 1.00 of sales, RM 0.65 is left after paying for what was sold.

In plain words: gross marginThe share of each sale left after the direct cost of making it. A higher margin gives you more room to pay for rent, wages and everything else.

Why does it matter? If your margin drops from 65% to 60%, you lose RM 0.05 on every ringgit you sell, even though sales look the same. The usual causes are suppliers raising prices, waste, discounts that went too deep, or prices that were not raised when costs rose. Watching the margin catches these early.

Expenses: the cost of keeping the doors open

Expenses are the running costs of the business that do not change with each individual sale. Rent is due whether you sell ten items or ten thousand. Wages, utilities, software, insurance and marketing are all expenses.

It helps to think of them in two groups.

  • Fixed costs stay roughly the same each month, such as rent and insurance.
  • Variable costs move with how busy you are, such as delivery fees or sales commissions.

Fixed costs are what you must cover before you earn a single sen of profit. In our example, rent, wages and utilities total RM 19,800.00 a month. Add marketing and other costs and the total is RM 23,400.00. Gross profit has to be bigger than that for the business to be in profit.

Look at each expense as a share of revenue. Rent of RM 6,000.00 on sales of RM 48,000.00 is 12.5%. If next month sales dip to RM 36,000.00 and rent stays the same, rent becomes about 16.7% of sales, and profit is squeezed. This is why a quiet month can feel so painful: the fixed costs do not shrink.

Category names matter here. If you record every cost under "Other", the P&L cannot tell you where the money is going.

Net profit: the bottom line

Net profit is what remains after every cost has been taken off. In our example it is RM 7,800.00. This is the number people usually mean when they say "profit".

Net profit as a percentage of revenue is the net margin. RM 7,800.00 divided by RM 48,000.00 is 0.1625, or about 16%. For every ringgit of sales, about 16 sen is the business's profit.

Example: following RM 100.00 of sales
Where RM 100.00 of sales goesRM
Cost of salesRM 35.00
Rent, wages and other expensesRM 48.75
Left as net profitRM 16.25
TotalRM 100.00

Two things to remember about net profit.

First, profit is not cash. The P&L counts a sale when it is earned and a cost when it is incurred, so a profitable month can still leave you short of money in the bank if customers have not paid. Our guide on cash flow versus profit goes through this carefully.

Second, profit is not what you can take home. Tax, loan repayments and what you owe suppliers all sit outside it. Decide what to pay yourself only after looking at cash too.

Five questions to ask your P&L every month

A report is only useful if it changes a decision. Here are five questions that turn the numbers into action.

  1. Is revenue going up or down compared with last month and the same month last year? Seasonal businesses must compare like with like.
  2. Did the gross margin move? A small slip in the percentage often points to supplier prices or discounts.
  3. Which expense grew the most? Look for costs that creep up quietly, such as subscriptions.
  4. Is any single expense larger than it should be? Rent or wages above half of revenue is a warning sign for many small businesses.
  5. Does the profit match what I feel is happening? If the P&L says profit but your bank account is empty, find out why. Usually the answer is unpaid invoices.

You do not need to answer all five every month. Pick one and follow it for a quarter. Small, regular attention to the report beats a deep dive once a year.

Try thisPrint or open last month's P&L and circle the three biggest expenses. Ask whether each one is still worth what you pay for it.

Common mistakes when reading a P&L

  • Reading it with missing records. If bills or invoices were never recorded, the profit is wrong. Check that the period is complete first.
  • Mixing in the owner's money. If you take money out for yourself, it should be recorded as drawings, not as an expense. If you put money in, it is capital, not revenue. Mixing them distorts profit.
  • Treating a loan as income. The bank balance rises but the P&L should not.
  • Comparing a quiet month with a busy one. December and February are different worlds for many businesses.
  • Ignoring the percentages. RM 7,800.00 may sound fine until you see that last year the same month earned RM 15,000.00 on the same sales.
  • Confusing profit with cash. They are different reports for different questions.

When something looks strange, do not guess. Click into the line, look at the entries behind it and find the cause. A good accounting system lets you go from the total to the individual receipt in a few taps.

How Faas does this for you

You do not build a P&L in Faas. It builds itself every time you record a sale, scan a receipt or match a bank line.

  • Easy Mode shows profit as money in minus money out, with the period you choose, so you can answer "how did I do this month?" in seconds.
  • Full Mode has the complete Profit and Loss, and the Balance Sheet, Trial Balance and Cash Flow beside it, for your accountant.
  • Every figure traces back to its source. Tap a total and see the invoices, bills and receipts behind it.
  • Owner's money is kept apart. Capital you put in and drawings you take out are recorded separately so they never distort the profit.

Read more on the reports page and see how owner's money is handled.

General education onlyThis guide explains how things usually work, using invented numbers. It is not legal, tax or accounting advice. Your accountant can tell you what applies to your business.

Let the books look after themselves.

Faas does the recording for you, in words you already use. Start with Easy Mode and bring your accountant in when you are ready.

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