Exercise 11-1 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 $ 5,700,000 $36,000,000 Required: 1. Compute the margin for Alyeska Services Company. (Round your answer to 2 decimal places.) Margin 2. Compute the turnover for Alyeska Services Company. (Round your answer to 2 decimal places.) Turnover 3. Compute the return on investment (ROI) for Alyeska Services Company. (Round your intermediate calculations and final answer to 2 decimal places.) ROI %