Problem 1-21 (Algo) Traditional and Contribution Format Income Statements [LO1-6] Marwick's Pianos, Incorporated, purchases pianos from a large manufacturer for an average cost of \$1,500 per unit and then them to retail customers for an average price of $2,900 each. The company's selling and administrative costs for a typical mon presented below: During August, Marwick's Pianos, Incorporated, sold and delivered 65 pianos. Required: 1. Prepare a traditional format income statement for August. 2. Prepare a contribution format income statement for August. Show costs and revenues on both a total and a per unit basis do through contribution margin. Complete this question by entering your answers in the tabs below. Prepare a contribution format incorne statement for August. Show costs and revenues on both a total and a per unit basis down through contribution margin. ( A "Net operating loss" should be entered as a negative number.)