Please answer 1 and 2, with work shown and an explanation and I'll leave a good review. Thanks!!

The company would like to initiate an intensive advertising campaign in one of the two market segments during the next month. The campaign would cost $5,000. Marketing studies indicate that such a campaign would increase sales in the Medical market by $40,000 or increase sales in the Dental market by $35,000. In which of the markets would you recommend that the company focus its advertising campaign? Show computations to support your answer. In Exercise 5-16, Minneapolis shows $48,000 in traceable fixed expenses. What happened to the $48,000 in this exercise