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 asseta $ 7,500,000 $ 600,000 $5,000,000 Required: 1. Compute the margin for Alyeska Services Company 2. Compute the turnover for Alyeska Services Company. (Round your answer to 1 decimal place.) 3. Compute the return on investment (ROI) for Alyeska Services Company. (Do not round intermediate calculations.) % 1. Margin 2. Turnover 3. ROI %