Marwick's Pianos, Incorporated, purchases pianos from a large manufacturer for an average cost of $$1,508$ per unit and then sells them to retail customers for an average price of $$3,400$ each. The company's selling and administrative costs for a typical month are presented below:

$\backslash$table$[[$Costs$,$Cost Formula$],[$Selling:$,$$$958$ per month$],[$Advertising$,$$$4,822$ per month, plus $3\%$ of sales$],[$Sales salaries and commissions,$$58$ per piano sold$],[$Delivery of pianos to customers,$$643$ per month$],[$Utilities$,$$$4,959$ per month$],[$Depreciation of sales facilities,$],[$Administrative:$,$$$13,582$ per month$],[$Executive salaries.,$$715$ per month$],[$Insurance$,$$$2,526$ per month, plus $$42$ per piano sold$],[$Clerical$,$$$892$ per month$]]$

During August, Marwick's Pianos, Incorporated, sold and delivered $65$ pianos.

Required:

Prepare a traditional format income statement for August.

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.