Need help with this exercise

Raner, Harris, & Chan is a consulting firm that specializes in information systems for medical and dental clinics. The firm has two offices one in Chicago and one in Minneapolis. The firm classifies the direct costs of consulting jobs as variable costs. Assume that Minneapolis' sales by major market are: Sales 570,000 100% 380,000 100% 190,000 100% Variable expenses 342,000 247,000 Contribution margin 228,000 133,000 raceable fixed expenses 68,400 12% 49,400 28% 114,000 30% 45,600 Market segment margin 24% Common fixed expenses not traceable to markets 17.100 Ofice segment margin 142,500 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 $7,600. Marketing studies indicate that such a campaign would increase sales in the Medical market by $66,500 or increase sales in the Dental market by $57,000 Required: 1 a Calculate the increased segment margin Increased segment margin In which of the markets would you recommend that the company focus its advertising campaign? Dental