The Alpine House, Inc., is a large retailer of snow skis. The company assembled the information shown below for the quarter ended March 31: Amount Sales Selling price per pair of skis Variable selling expense per pair of skis Variable administrative expense per pair of skis Total fixed selling expense Total fixed administrative expense Beginning merchandise inventory Ending merchandise inventory Merchandise purchases $ 1,290,000 430 4 6 15 $155,000 $ 115,000 $75,000 $ 100,000 $ 320,000 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