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 $4,040,000 Coastal Region $12,950,000 2,631,300 242,400 6,475,000 777,000 541,900 3,743,000 Required: a. Compute divisional operating income for the two divisions. Ignore taxes. (Enter your answers in thousands of dollars rounded to 1 decimal place.) Lake Region Coastal Region Operating income b-1. What are the gross margin and operating margin percentages for both divisions? (Enter your answers as a percentage rounded to 2 decimal places (i.e., 32.12).) Gross margin percentage Operating margin Lake Region Coastal Region % % % %