Answer:
Diamond Computer Company
The company should make (Alternative 1) the cases.
Explanation:
a) Data and Calculations:
Purchase price of portable computer cases = $59 per unit
Alternative 1: Make
Direct materials $35.00
Direct labor 18.00
Variable overhead 2.70 (15% of $18.00)
Total variable cost $55.70
Alternative 2: Buy
Purchase price = $59
b) A make or buy decision is determined by preparing a differential analysis. The differential or incremental analysis evaluates the changes in revenues, costs, and profits resulting from Diamond's decision to make or purchase the computer carrying cases.