1. Gross profit margin calculation: Gross Profit X 100 = % Sales
2. Profit in relation to revenue calculation: Profit X 100 = Sales
3. Return on capital employed (ROCE) calculation: Profit X 100 = Capital employed
4. Expenses in relation to revenue calculation: Expenses X 100 = Sales
5. Gross profit Mark-up calculation: Gross profit X 100 = Cost of sales