Answer:
6%
Explanation:
Given that,
Sales = $ 13,800,000
Variable expenses = 9,950,000
Contribution margin = 3,850,000
Fixed expenses = 3,022,000
Net operating income = $ 828,000
Average operating assets = $ 6,000,000
Last year's margin:
= (Net income ÷ Sales) × 100
= ($828,000 ÷ $13,800,000) × 100
= 6%
Therefore, the last year's margin was closest to 6%.