Restate the following income statement for a merchandising company in contribution format. $23,040 20,160 2,880 Sales ($32 per unit) Less cost of goods sold ($28 per unit) Gross margin Less operating expenses Commissions ($1.00 per unit) Salaries Operating income $720 1,020 1,740 $1,140 Sales $ 23040 Less : Variable Cost Contribution Margin V Less Fixed Cost Salaries Operating Income $