The Alpine House, Incorporated, is a large retailer of snow skis. The company assembled the information shown below for the quarter ended March 31: Amount Sales $ 1, 160, 000 Selling price per pair of skis $ 400 Variable selling expense per pair of skis $ 45 Variable administrative expense per pair of skis $ 16 Total fixed selling expense $ 160, 000 Total fixed administrative expense $ 125, 000 Beginning merchandise inventory $ 65,000 Ending merchandise inventory $ 110, 000 Merchandise purchases $ 295 , 000 Required: 1. Prepare a traditional income statement for the quarter ended March 31. 2. Prepare a contribution format income statement for the quarter ended March 31. 3. What was the contribution margin per unit