Question 3 of 13 Restate the following it-come statement for e retailer in contribution format. 1.14/4 Sales re.nue (SICO zer unit) Less cost of goods sold per unit) Gross margin Less operating costs: Commissions expense (57 unit) Seleries expense *dvertising expense Shipping expense (SI per unit) Operati ng i reome varlable Sold 7.000 102000 21.9co IE1cc