Direct materials Direct labor $24.00 20.00 Factory overhead (37% of direct labor) Total cost per unit 7.40 $51.40 Make-or-buy decision Pizana Computer Company has been purchasing carrying cases for its portable computers at a purchase price of $55 per unit. The company, which is currently operating below full capacity, charges factory overhead to production at the rate of 37% of direct labor cost. The unit costs to produce comparable carrying cases are expected to be as follows: If Pizana Computer Company manufactures the carrying cases, fixed factory overhead costs will not increase and variable factory overhead costs associated with the cases are expected to be 13% of the direct labor costs. a. Prepare a differential analysis dated May 31 to determine whether the company should make (Alternative 1) or buy (Alternative 2) the carrying case. Round your answers to two decimal places. If an amount is zero, enter "0". Differential Analysis Make (Alt. 1) or Buy (Alt. 2) Carrying Case Line Item Description Unit costs: Purchase price May 31 Make Carrying Case Buy Carrying Case Differential Effects (Alternative 1) (Alternative 2) (Alternative 2) Direct materials Direct labor Variable factory overhead Fixed factory overhead Total unit costs **