Make-or-buy decision Pizana Computer Company has been purchasing carrying cases for its portable computers at a purchase price of $62 per unit. The company, which is currently operating below full capacity, charges factory overhead to production at the rate of 46% of direct labor cost. The unit costs to produce comparable carrying cases are expected to be as follows: Direct materials $30.00 Direct labor 20.00 Factory overhead (46% of direct labor) 9.20 $59.20 Total cost per unit 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 15% of the direct labor costs. This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysis, and input your answers in the questions below. x Open spreadsheet 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 May 31