Coram Audio makes wireless headphones. Each pait of headphones comes with a travel case Since its founding. Coram has manufacturedits own travel cases. Recently. Holmur Traver Gear, (HTG), a local outfitter that manufactures and sells backpacks, tent cases, and so on, contacted Coram and proposed that they produce the headphone travel cases Based on management experlence. Coram's cost pel travel case is as follows (based on annual production of 42,600 units) HTG has offered to sell the case to Coram for $39 each. The total order would amount to 42600 travel cases per year: Coram's management decides that they will make the switch to HTG cases if Coram can save at least $13,300 per year Accepting the offer would eliminate annual foued overthead of 580,940 . Required: a. Prepare a schedule that shows the totai differential costs b. Should Coram continue to make the travel cases or buy them from HTG? Complete this question by entering your answers in the tabs below. Should Coram continue to make the travel cases or buy them from HTG