4. 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 166,400 208 pairs 800 42 10 Sales Sales in units 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 USA 23,000 28.000 40,000 30,000 115,000 $ Note: to calculate COGS you will need to use the following equation: Beg. Merch. Inventory + Merch. Purchases - End. Merch. Inventory COGS is a variable expense 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