Arlington Clothing, Inc., shows the following information for its two divisions for year 1. Sales revenue Cost of sales Allocated corporate overhead Other general and administration Lake Region Coastal Region $4,180,000 2,701,300 $13,090,000 6,545,000 250,800 555,900 785,400 3,757,000 Required: 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. (Enter your answers in thousands of to 1 decimal place.) Lake Region Coastal Region Operating income Req A Req B1 >