can anyone show me how to find these answers, im not sure what im doing wrong?

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 2,631,300 242,400 541,900 Coastal Region $12,950,000 6,475,000 777,000 3,743,000 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? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Rega Reg 31 Req B2 Compute divisional operating income for the two divisions. Ignore taxes. (Enter your answers in thousands of dollars to 1 decimal place.) Lake Coastal Region Region Operating income $624,400.0 % $ 1955.000 0 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 2,631,300 242,400 541,900 Coastal Region $12,950,000 6,475,000 777,000 3,743,000 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? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Req A Req B1 Reg B2 What are the gross margin and operating margin percentages for both divisions? (Enter your answers as a perce rounded to 2 decimal places (.e., 32.12).) Lake Region Coastal Region Gross margin porcentage 34.87 % 50.00 % Operating margin 0.08 % % 0.15 %