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Using Profitability Ratios to Analyse Performance

Exam code: 7115
Written by: Ashika|Reviewed by: Caroline Carroll|Updated 2 July 2026

The gross profit margin

The gross profit margin

  • This calculation shows the proportion of revenue that is turned into gross profit

    • It is calculated using the following formula and is expressed as a percentage

 Gross profit margin = Gross profitSales revenue× 100      {"fontFamily":"Times New Roman","fontSize":"18","autoformat":true,"toolbar":""}

Improving the gross profit margin

  • The gross profit margin can be improved in two ways

    • The business can increase its sales revenue

    • The business can reduce its direct costs

How to increase the gross profit margin

Method

Explanation

Increase sales revenue

1. Increase the value of sales

  • Raise prices

    • If costs remain the same, this will improve profitability as the difference between the selling price and costs is now greater

  • Sell premium products

    • If customers are willing to spend money on these goods, the business could earn more profit per item sold

2. Increase the volume of sales

  • Price tactics 

    • Use price tactics to encourage higher quantity or more frequent purchases

      • E.g. 'Buy one get one half price' doubles the number of items a customer purchases, increasing revenue

  • Increase marketing activities

    • Engage in more marketing activities to increase sales volume

Reduce direct costs

  • Reduce variable costs 

    • This may involve purchasing cheaper/alternative resources, negotiating with suppliers or purchasing in bulk

    • Businesses must ensure that reducing variable costs will not have an adverse effect on the quality or desirability of products

    • Buying stock in greater quantities may require investment in increased storage space which will reduce the impact of the cost savings made

  • Businesses may also be able to reduce wastage of raw materials and components 

The net profit margin

The net profit margin

  • The Net Profit Margin shows the proportion of revenue that is turned into profit before interest and tax

    • It is calculated using the formula below and the outcome is expressed as a percentage

Net profit margin = Profit before interest and taxSales revenue×100{"fontFamily":"Times New Roman","fontSize":"18","autoformat":true,"toolbar":""}

Improving the net profit margin

  • The profit margin can be improved in two ways

    • Increasing the gross profit margin (see above)

    • Reducing overhead costs by reducing staffing levels, relocating to cheaper premises or changing utility companies

      • Reducing staffing levels may affect staff morale and negatively affect productivity

      • Relocation costs can outweigh some of the benefits of moving to a cheaper location

      • Replacing inefficient or outdated equipment may require staff training

Return on capital employed

Return on capital employed

  • The return on capital employed (RoCE) measures how how effectively a business uses the capital invested in the business to generate profit

    • It is calculated using the formula below and is expressed as a percentage

Return on capital employed = Profit before interest and taxCapital employed  × 100{"fontFamily":"Times New Roman","fontSize":"18","autoformat":true,"toolbar":""}

  • RoCE be compared over time and with competitors

    • It can also be compared with other potential capital investments, such as savings rates

  • The capital employed figure is usually provided for you

    • If required, it is calculated using the formula

Capital employed = Non-current liabilities + Equity{"fontFamily":"Times New Roman","fontSize":"18","autoformat":true,"toolbar":""}

Improving RoCE

  • When analysing the RoCE, the higher the rate the better, as it indicates that the business is profitable and using its capital efficiently

    • Investors prefer businesses with stable and rising levels of RoCE, as this indicates low-risk growth is being achieved

    • A ROCE of at least 20 per cent is usually a good sign that the company is in a good financial position

  • To increase the RoCE, a business can

    • Increase the level of profit generated without introducing new capital into the business

    • Maintain the level of profit generated whilst reducing the amount of capital in the business

Using RoCE to make decisions

  • RoCE can be used to support strategic decisions (e.g. investment or divestment decisions) to determine the most profitable option given the level of capital employed