View site information Shown here is an income statement in the traditional format for a firm with a sales volume of 7,600 units. Cost formulas also are shown $34,700 21,000 $13,700 Revenues Cost of goods sold ($5,800+$2.00/unit) Gross profit Operating expenses Selling ($1,170+$0.09/unit) Administration ($3,800$0.20/unit) 1,854 5,320 6,526 Operating income Required a. Prepare an income statement in the contribution margin format. Contribution Margin Income Statement Variable expenses Total variable expenses 0 Fixed expenses: Total fixed expenses