Marwick's Planos, Incorporated, purchases planos from a manufacturer for an average cost of $1,484 per unit and then selts them to retail customers for an average price of \$3,300 each. The company's seling and administrative costs for a typical month are presented below: During August. Marwick's Planos, Incorporated, sold and delivered 61 planos. During August, Marwick's Pianos, Incorporated, sold and delivered 61 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