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 $ 17,700,000 $ 4,800,000 $ 35,700,000 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.) Margin 2. Tumove 3 RON