Marwick's Pianos, Incorporated, purchases planos from a large manufacturer for an average cost of $1.491 per unit and then sells them to retall customers for an average price of $2,300 each. The company's seling and administrative costs for a typical month are presented below: Conta coot Formula Selling: Advertising $945 per month Sales salaries and commissione $4,804 per month, plus 41 of sales Delivery of pianos to customers 858 per piano sold Utilities $636 per month Depreciation of sales facilities $4,922 per month Administrative Executive salarios $13, 496 per month Insurance $683 per month clerical $2,506 per month, plus $38 per piano nold Depreciation of office equipment 5901 per month During August, Marwick's Pianos, Incorporated, sold and delivered 59 planos. 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