Hello I have a managerial accounting question that I need help on.

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 $ 18, 700, 000 Net operating income $ 6, 000, 000 Average operating assets $ 36, 900, 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 %