Required 1 Required 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. (A "Net operating loss should be entered as a negative number) 07:32 BOOK Marwick's Pianos, Inc. Contribution Format Income Statement For the Month of August Total Per Piano Sales $ 144.900 s 2,300 Variable expenses Cost of goods sold 93.240 1,480 Sales salaries and commissions 12,031 191 Delivery of planos 3.654 58 Clerical 5171 B2 ferences 110 72.Soos 1,811 11 956 12.031 653 Total variable expenses Contribution margin Food expenses Advertising Sales salaries and commissions Ottes Depreciation of sales facilities Executive salaries Insurance Clerical Depreciation of office equipment 5.079 13545 cos 5.171 Totalfixed expenses The operating income