Help please!

Check my work Exercise 11-1 Compute the Return on Investment (ROI) [L011-1] Alyeska Services Company, a division of a major oil company, provides various services to the operators of the North Slope oil field in Alaska. Data concerning the most recent year appear below: Sales Net operating income Average operating assets 17,000, 000 4,900,000 35, 600,000 Required: 1. Compute the margin for Alyeska Services Company. (Round your answer to 2 decimal places.) 2. Compute the turnover for Alyeska Services Company. (Round your answer to 2 decimal places.) 3. Compute the return on investment (ROI for Alyeska Services Company. (Round your intermediate calculations and final answer to 2 decimal places.) 1. Margin 2. Turnover 3. ROI