Answer:
A. 42%
Explanation:
Given the above information,
Contribution margin ratio = (Selling price - Unitary variable cost) / Selling price
Selling price = $2,122,200 / 262,000 = $8.1
Total variable cost = Variable manufacturing expense $975,200 + Variable selling and administrative expense $260,400 = $1,235,600
Unitary variable cost = $1,235,600 / 262,000 = $4.72
Contribution margin ratio = (8.1 - 4.72)/8.1 = 41.73% = 42%