Fremont Computer Company has been purchasing carrying cases for its portable computers at a purchase price of $40 per unit. The company, which is currently operating below full capacity, charges factory overhead to production at the rate of 25% of direct labor cost. The unit costs to produce comparable carrying cases are expected to be as follows: If Fremont 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 5% of the direct labor costs. a. Prepare a differential analysis dated September 30, 2022 to determine whether the company should make (Alternative 1 ) or buy (Alternative 2 ) the carrying case. b. Based on the data presented, would it be advisable to make the carrying cases or to continue buying them? Explain in your own words