Marwick's Pianos, Incorporated, purchases planos from a large manufacturer for an average cost of $1,513 per unit and then sells them to retall customers for an average price of $2,800 each. The company's selling and administrative costs for a typical month are presented below: During August, Marwick's Pianos, Incorporated, sold and delivered 64 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 fotal 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 marqin. (A "Net operatina loss" should he entered as a negative number.)