Marwick's Pianos, Inc., purchases pianos from a large manufacturer for an average cost of $1,519 per unit and then sells them to retail customers for an average price of $2,600 each. The company's selling and administrative costs for a typical month are presented below: Cost Formula Costs Selling: Advertising Sales salaries and commissions Delivery of pianos to customers Utilities Depreciation of sales facilities Administrative: Executive salaries Insurance clerical Depreciation of office equipment $933 per month $ 4,810 per month, plus 5% of sales $63 per piano sold $670 per month $4,979 per month $13,558 per month $697 per month $2,505 per month, plus $36 per piano sold $ 883 per month During August, Marwick's Pianos, Inc., sold and delivered 57 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.) Marwick's Pianos, Inc. Traditional Income Statement For the Month of August Selling and administrative expenses: Selling expenses: Total selling expenses Administrative expenses: Total administrative expenses Total selling and administrative expenses Marwick's Pianos, Inc. Contribution Format Income Statement For the Month of August Total Per Piano Variable expenses: Total variable expenses Contribution margin Fixed expenses: Total fixed expenses