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 $ 150,000 selling price per pair of skis $ 750 variable selling expense per pair of skis $ 50 variable administrative expense per pair of skis $ 10 total fixed selling expense $ 20,000 total fixed administrative expense $ 20,000 beginning merchandise inventory $ 30,000 ending merchandise inventory $ 40,000 merchandise purchases $ 100,000 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?