Sales Revenue: The total income generated from selling goods or services, calculated as .
Gross Profit: The profit remaining after deducting the direct costs associated with producing the goods sold.
Formula:
Operating Profit: The profit from normal business operations after deducting overheads (indirect expenses like rent, salaries, marketing) but before tax and interest.
Formula:
Net Profit: The final 'bottom line' profit available to shareholders after all deductions, including interest and taxation.
Formula:
Profit Margins: These ratios express profit as a percentage of revenue, allowing for comparison across businesses of different sizes.
Gross Profit Margin: Indicates efficiency in production or procurement.
Net Profit Margin: Indicates overall operational efficiency and cost control.
Cost of Sales: Variable costs directly tied to production (e.g., raw materials, direct labor).
Expenses (Overheads): Fixed costs not directly tied to production volume (e.g., rent, administrative salaries, insurance).
Profit: An absolute currency value (e.g., $50,000) showing total earnings.
Margin: A percentage value (e.g., 15%) showing efficiency per dollar of sales.
Show Your Work: Always write down the formula before substituting values. Marks are often awarded for method even if the final calculation is incorrect.
Units Matter: Ensure the final answer has the correct unit—currency (e.g., £, $) for profit figures, and percentage (%) for margins.
Order of Operations: Memorize the subtraction order: Revenue → Cost of Sales → Gross Profit → Expenses → Net Profit. You cannot calculate Net Profit without first determining Gross Profit.
Sanity Check: Net Profit must ALWAYS be lower than Gross Profit (unless expenses are zero, which is unrealistic). If Net > Gross, re-check your calculation.