Profitability and liquidity ratio analysis
· Ratio analysis uses figures from the profit and loss account and balance sheet to judge a business’s financial performance and short-term financial health.
· In exams, always calculate, interpret, and then recommend an action.
· Ratios are most useful when compared with previous years, competitors, industry averages, or a target figure.
· A ratio on its own means little without context.
Profitability ratios
· Profitability ratios measure how effectively a business turns revenue and capital employed into profit.
· The syllabus focuses on gross profit margin, profit margin, and return on capital employed (ROCE).
· In general, a higher profitability ratio is better, but it must still be judged against industry norms and the business’s objectives.

This infographic groups profitability ratios into broad categories, helping students see where margin ratios and return ratios fit. It is useful for understanding that gross profit margin, profit margin, and ROCE are part of a wider set of measures used to judge financial performance. Source
Gross profit margin
· Gross profit margin shows how much of sales revenue remains after deducting cost of sales / cost of goods sold (COGS).
· Formula: Gross profit margin =
· A high gross profit margin usually suggests good control over cost of sales and/or effective pricing.
· A low gross profit margin may suggest high production costs, discounting, poor supplier terms, or weak pricing power.
· Best used to judge how efficiently the business is making or buying and selling its product.

The image shows an income statement extract with revenue, COGS, gross profit, and gross profit margin highlighted. It is a strong visual for seeing exactly where the numbers for the ratio come from. Source
Profit margin
· Profit margin shows the percentage of sales revenue that becomes profit before interest and tax.
· Formula: Profit margin =
· It measures overall profitability after both cost of sales and expenses have been deducted.
· A high profit margin suggests efficient control of total costs and strong overall performance.
· A low profit margin may be caused by rising overheads, weak sales revenue, intense competition, or poor cost control.
· Profit margin is usually lower than gross profit margin because it includes more costs.

The diagram shows different types of profit margin, helping students distinguish between gross, operating, and net measures. For IB Business Management, it is especially useful for remembering that the syllabus ratio focuses on profit before interest and tax relative to sales revenue. Source
Return on capital employed (ROCE)
· ROCE measures how efficiently a business uses its capital employed to generate profit before interest and tax.
· Formula: ROCE =
· Capital employed = non-current liabilities + equity.
· A high ROCE suggests capital is being used efficiently to generate returns.
· A low ROCE suggests the business may be using its long-term finance inefficiently.
· This ratio is especially useful to investors and managers because it links profit to the money invested in the business.

The page shows both a ROCE formula diagram and a worked example using EBIT and capital employed. It helps students connect the formula to the figures taken from the accounts and see how ROCE measures capital efficiency. Source
Strategies to improve profitability ratios
· Increase selling prices if demand is strong enough and the business has pricing power.
· Reduce cost of sales by negotiating better supplier prices, improving productivity, reducing waste, or switching suppliers.
· Reduce operating expenses / overheads such as rent, administration, marketing, or labour costs.
· Increase sales revenue through better promotion, product improvement, stronger branding, or entering new markets.
· Improve ROCE by increasing profit before interest and tax and/or reducing capital employed tied up inefficiently.
· Sell underused non-current assets if they are not contributing enough to profit.
Liquidity ratios
· Liquidity ratios measure a business’s ability to meet its short-term debts and avoid cash flow problems.
· The syllabus focuses on current ratio and acid test (quick) ratio.
· Liquidity is about the ability to pay current liabilities on time, not about long-term profitability.
· A profitable business can still fail if it has poor liquidity.

This infographic compares current ratio and quick ratio side by side and shows that inventory is included in one but excluded from the other. It is excellent for understanding why the acid test ratio is the stricter measure of liquidity. Source
Current ratio
· Current ratio measures whether the business has enough current assets to cover its current liabilities.
· Formula: Current ratio =
· A figure of around 1.5 to 2.0 is often seen as comfortable, but this depends on the industry.
· A low current ratio suggests possible liquidity problems and difficulty paying short-term debts.
· A very high current ratio may suggest inefficient use of working capital, with too much cash or stock tied up.
· Because it includes inventory, it may overstate liquidity if stock is slow to sell.


The visual shows how current assets and current liabilities are taken from the balance sheet to calculate the ratio. It helps students see that the ratio is based on short-term items only. Source
Acid test (quick) ratio
· Acid test (quick) ratio measures whether the business can pay current liabilities using its most liquid assets.
· Formula: Acid test ratio =
· It excludes stock / inventory because stock may not be sold quickly enough to pay urgent debts.
· A result of around 1.0 is often seen as acceptable, but again this depends on the industry.
· A low acid test ratio suggests the business may struggle to pay short-term debts without relying on selling stock.
· This is usually a stricter and often more realistic measure of liquidity than the current ratio.
Strategies to improve liquidity ratios
· Inject more cash through long-term finance, owner investment, or sale of unused assets.
· Speed up cash inflows by chasing debtors, tightening credit terms, or encouraging faster payment.
· Reduce stock levels to free up cash, but not so far that the business risks shortages.
· Delay cash outflows where possible by negotiating longer credit with suppliers.
· Cut unnecessary short-term borrowing and manage working capital more efficiently.
· Improve cash flow forecasting so liquidity problems are identified earlier.
Interpreting ratios in exams
· Do not say a ratio is simply “good” or “bad”; say what it suggests about performance, efficiency, or liquidity.
· Always explain the likely cause of the ratio and the likely business implication.
· Compare with previous years, competitors, industry averages, or the case study data.
· Look for links between ratios: for example, a business may have strong profitability but weak liquidity.
· Use the case to decide whether a proposed strategy would realistically improve the ratio.
· Watch for sector differences: retailers may hold more stock, while service firms may have very different benchmarks.
Common exam mistakes
· Confusing profitability with liquidity.
· Using the wrong formula, especially profit margin and ROCE.
· Forgetting that the acid test ratio excludes stock.
· Interpreting a very high current ratio as automatically positive.
· Giving no comparison point when analysing a ratio.
· Recommending strategies without linking them to the actual ratio problem.
Checklist: can you do this?
· Calculate gross profit margin, profit margin, ROCE, current ratio, and acid test ratio accurately.
· Identify whether a ratio shows a problem with profitability or liquidity.
· Interpret whether a ratio is improving or worsening when compared with other data.
· Recommend realistic strategies to improve weak ratios in a case study.
· Explain why a business can be profitable but still have cash flow or liquidity problems.

Dave is a Cambridge Economics graduate with over 8 years of tutoring expertise in Economics & Business Studies. He crafts resources for A-Level, IB, & GCSE and excels at enhancing students' understanding & confidence in these subjects.
Dave is a Cambridge Economics graduate with over 8 years of tutoring expertise in Economics & Business Studies. He crafts resources for A-Level, IB, & GCSE and excels at enhancing students' understanding & confidence in these subjects.