Exercise 11-1 (Algo) Compute the Return on Investment (ROI) (LO11-1) 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 $ 18,000,000 $ 4,900,000 $ 35, 200,000 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 %