Need help finding the margin, turnover, and ROI for Alyeska service company.

Check my work - Alyeska Services Company, a division of a major oil company, provides various services to the operators ofthe North Slope oil field in Alaska. Data concerning the most recent year appear below: Sales $ 18,400,000 Net operating income $ 5,000,000 Average operating assets $ 35,800,000 I 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.) . Margin . TUII'IOVEI