Pizana Computer Company has been purchasing carrying cases for its portable computers at a purchase price of $57 per unit. The company, which is currently operating below full capacity, charges factory overhead to production at the rate of 38% of direct labor cost. The unit costs to produce comparable carrying cases are expected to 6 as follows: If Pizana Computer Company manufactures the carrying cases, fxed factory overhead costs will not increase and variable factory overthead costs associated with the cases are expected to be 15% of the direct labor costs. a. Prepare a differental 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 "o*