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 conceming the most recent year appear below: Sales Net operating income $600,000 Average operating assets $5,000,000 Required: 1. Compute the margin for Alyeska Services Company. 2. Compute the tumover for Alyeska Services Company. 3. Compute the return on investment (ROI) for Alyeska Services Company