Answer: Option (d) is correct.
Step-by-step explanation:
Contribution margin = Fixed cost + Pretax Income
= $1,296,000 + $1,656,000
= $2,952,000
Variable cost = Sales - Contribution margin
= (360,000 units × $19.80 per unit) - $2,952,000
= $7,128,000 - $2,952,000
= $4,176,000