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 Not operating income Average operating assets $ 18,700,000 $ 5,400.000 $ 36.700,000 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.) 1. Margin 2. Turnover 3. ROI %