Owen Audio shows the following information for its two divisions for year 1. Commercial Division Consumer Division Sales revenue Cost of sales $ 1,843,200 1,105,920 $ 5,836,800 3,782,100 Selling, General and Administrative 278,400 351,840 Allocated corporate overhead Required: 128,880 408,120 a. Compute divisional operating income for the two divisions. Ignore taxes. b-1. What are the gross margin and operating margin percentages for both divisions? b-2. How well have these divisions performed? Complete this question by entering your answers in the tabs below. Req A Req B1 Req B2 Compute divisional operating income for the two divisions. Ignore taxes. Consumer Division Commercial Division Operating income Reg A Req B1 >