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 $ 1,440,000 Selling price per pair of skis $ 450 Variable selling expense per pair of skis $ 49 Variable administrative expense per pair of skis $ 20 Total fixed selling expense $ 140,000 Total fixed administrative expense $ 100,000 Beginning merchandise inventory $ 80,000 Ending merchandise inventory $ 110,000 Merchandise purchases $ 300,000 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?