3. An electronic company had the following results for the year just ended: had the followving results for the year just ended Revenue Cost of goods sols (48% of sales) Gross margin Operating costs $800,000 384,000 416,000 Salaries fixed Sales commissions (12% of sales) Amortization of equipment fixtures19200 Store rent ($5,100 per month) Other operating costs $212,000 96,000 61,200 72,300 460,700 5(44,700) Operating income (loss) The owner is unhappy with the operating results. An analysis of the other operating costs of $72,300 reveals that it includes $32,000 variable costs, for which the cost driver is sales volume, and $40,300 fixed costs. a. Prepare a contribution margin format income statement for the company Compute the contribution margin percentage for the company. b