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$17,900,000Net operating income$5,900,000Average operating assets$35,900,000

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.)