Alyeska Services Company, a division of a major oll company, provides various services to the operators of the North Slope oll field in Alaska. Data concerning the most recent year appear below: Required: 1. Compute the margin. (Round your onswer to 2 decimol places.) 2. Compute the turnover. (Round your answer to 2 decimal ploces.) 3. Compute the return on investment (ROI). (Round your intermediate calculations ond final answer to 2 decimal ploces.)