Answer:
a.
The contribution margin in dollars: $39,000
Contribution Margin per Unit: $10
Contribution Margin ratio: 0.25 (25%)
b.
Break-even point in units: 1,680 haircuts
Break-even point in dollars: $67,200
c.
Margin of safety in dollars: $88,800
Margin of safety ratio: 0.5692 (56.92%)
Step-by-step explanation:
Total Sales = 3,900 x $40 = $156,000
Total variable costs = 75% x $156,000 = $117,000
Variable costs per unit = $117,000/3,900 = $30
a.
The contribution margin in dollars = Total sales – Total variable costs = $156,000 - $117,000 = $39,000
Contribution Margin per Unit = Sales Price – Variable Cost per Unit = $40 - $30 = $10
Contribution Margin ratio = (Sales - Total Variable cost)/Sales = $39,000/$156,000 = 0.25 (25%)
b.
Break-even point in units = Fixed expense/Contribution Margin per Unit = $16,800/$10 = 1,680 haircuts
Break-even point in dollars = Fixed expense/Contribution Margin ratio = $16,800/0.25 = $67,200
c.
Margin of safety in dollars = Current sales – Break-even point in dollars = $156,000 - $67,200 = $88,800
Margin of safety ratio = (Current sales – Break-even point in dollars)/Current sales = $88,800/$156,000 = 0.5692 (56.92%)