calculate total revenue
price x quantity sold
calculate total costs
fixed + variable costs
calculate variable costs
cost per unit x number of units produced
calculate profit
total revenue - total cost
calculate gross profit
total revenue - cost of goods sold
calculate net profit
gross profit - expenses
calculate contribution per unit
selling price - variable costs per unit
calculate break-even output
fixed costs/contribution per unit
calculate margin of safety
actual output - break even output
calculate average costs
total cost/quantity produced
calculate labour productivity
output/number of employees
calculate current ratio
current assets - curent liabilities
calculate acid test ratio
(current assets - inventory) / current liabilities
calculate social costs
external cost + private cost