Arlington Clothing, Inc., shows the following information for its two divisions for year 1 Lake Region $4,100,000 2,605,000 246,000 548,900 Coastal Region $13,060,000 6,520,000 783,600 3,730,000 Sales revenue Cost of sales Allocated corporate overhead Other general and administration The results for year 2 have just been posted: Lake Region $4,100,000 2,605,000 307,500 536,000 Coastal Region $9,600,000 4,880,000 720,000 3,730,000 Sales revenue Cost of sales Allocated corporate overhead Other general and administration Required a. Compute divisional operating income for the two divisions. (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., 3212). Lake Region Coastal Region Gross margin percentage Operating margin