This is an income statement a company prepared when 8,100 units were sold. Total Sales $ 215,460 Variable expenses 140.940 Contribution margin Fixed expenses 74,520 54,700 Net operating income $ 19,820 Required: Redo the contribution format income statement if the sales volume is 7100 units. Contribution Income Statement Total Required: Redo the contribution format income statement if the sales volume is 7,100 units. Contribution Income Statement Total Sales 0 Variable expenses Contribution margin Fixed expenses Net operating income $