If filing married (joint or separate), enter combined taxable amount for you and your spouse.
The contribution margin is a concept used with breakeven point or in break-even analysis. In words, the contribution margin is the amount of money a company has to cover its fixed costs after it pays all of its variable expenses.ontribution Margin per unit of sales = Sales Revenue per Unit-Variable Expenses per Unit. Contribution Margin-Fixed Costs = Net Operating Profit or Loss. The break-even formula calculates the point at which a company's sales are zero-there is no profit or loss:
Contribution Margin Ratio | Contribution Margin Formula. The contribution margin ratio is the difference between a company's sales and variable expenses, expressed as a percentage. The total margin generated by an entity represents the total earnings available to pay for fixed expenses and generate a profit.o calculate the contribution margin ratio, divide the contribution margin by sales. The contribution margin is calculated by subtracting all variable costs from sales.