Answer:
11.11%
Explanation:
Budgeted sales = 900 units x $40 per unit = $36,000
Break-even sales = 800units x $40 per unit = $32,000
Margin of safety = [tex]\frac{Budgeted sales - Breakevensales(revenue)}{budgeted sales}[/tex] × 100
Margin of safety = ( 36,000 - 32,000) / 36,000 = 11.11%