Marwick's Pianos, Incorporated, purchases pianos from a large manufacturer for an average cost of $1,516 per unit and then sells them to retall customers for an average price of $2,900 each. The company's selling and administrative costs for a typical month are presented below: During August, Marwick's Planos, Incorporated, sold and delivered 63 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 down. through contribution margin. Prepare a traditional format income statement for August. (A "Net operating loss" should be entered as a negative number.) Prepare a contribution format income 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.)