Tundra 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: Compute the margin for Tundra Services Company. (Round your answer to 2 decimal places.) Compute the turnover for Tundra Services Company. (Round your answer to 2 decimal places.) Compute the return on investment (ROI) for Tundra Services Company. (Round your intermediate calculations and final answer to 2 decimal places.)