Contribution per unit
Selling price per unit - Variable cost per unit
Total contribution
Actual output x Contribution per unit
Break even
Fixed costs / Contribution per unit
Margin of safety
actual output / break even
Margin of safety x ___________ = Profit
Contribution per unit
Total contribution - ___________ = Profit
Fixed costs
Total contribution
Total revenue - Total variable costs
current ratio
current assets/current liabilities
ROCE
operating profit/capital employed (total equity + non-current liabilities) x100
gearing ratio
non current liabilities/capital employed (total equity + non current liabilities) x100