Marwick's Pianos, Inc., purchases pianos from a large manufacturer for an average cost of $1,506 per unit and then sells them to retail customers for an average price of $2,200 each. The company's selling and administrative costs for a typical month are presented below: During August, Marwick's Pianos, Inc., sold and delivered 56 pianos. 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.)