cases are expected to be as follows: the cases are expected to be 12% of the direct labor costs. ampunt if it represents an increase in cost. If Companion Technologies Company manufactures the carrying cases, fixed foctory overhead costs will not increase and variable factory overhead costs associated with the cases are expected to be 12% of the direct labor costs. a. Prepare a differential analysis report for the make-or-buy decision. Enter your final answer as a positive amount if it represents a net cost savings; enter a negative amount if it represents an increase in cost. b. On the basis of the data presented, would it be advisable to make the carrying cases or to continue buying them? It would be advisable the carrying cases because the would be 1 per unit. Fiwed factory averhead is