Answer:
Revised contribution margin ratio = 0.55 or 55%
Step-by-step explanation:
Contribution margin is calculated as the difference between Sales and variable costs. Contribution margin per unit can be calculated by deducting the variable cost per unit from the price per unit. It tells us how much each unit sale is contributing towards covering the overall fixed costs.
Contribution margin = Sales - Variable costs
The contribution margin ratio is when contribution margin is expressed as a percentage of sales. It can be calculated as follows,
Contribution margin ratio = (Selling price per unit - variable cost per unit) / Selling price per unit
Revised variable costs are = 60 - 15 = 45
The revised contribution margin ratio will be,
Revised contribution margin ratio = (100 - 45) / 100
Revised contribution margin ratio = 0.55 or 55%