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 $ 18,300,000 $ 5,500,000 Net operating income Average operating assets $ 36,800,000 Required: 1. Compute the margin. (Round your answer to 2 decimal places.) 2. Compute the turnover. (Round your answer to 2 decimal places.) 3. Compute the return on investment (ROI). (Round your intermediate calculations and final answer to 2 decimal places.) 1. Margin 2. Turnover 3. ROI % %