Problem 1-21 (Algo) Traditional and Contribution Format Income Statements [LO1-6] Marwick's Pianos, Incorporated, purchases pianos from a large manufacturer for an average cost of $1,483 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: During August, Marwick's Pianos, incorporated, sold and delivered 58 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. Frepare a traditional format income statement for August. (A "Net operatifig los:" should be dntered as at nogative nember.) HW Chapter 1 (i) Required 2? Prepare a contribution format income statement for August. Show costs and revenues on both a total and a per unit bazis down through contribution margin. (A "Net operating lons" sheuld be entered as a negative numbec)