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Alyeska Services Company, a division of a major oil company, provides various services to the operators of the North Slope oil fleld in Alaska. Data conceming the most recent year appear below: 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.) Juniper Design Limited of Manchester, England, provides design services to residential developers. Last year, the company had net operating income of $480,000 on sales of $2,000,000. The company's average operating assets for the year were $2,200,000 and its minimum required rate of return was 15% Required: Compute the company's residual income for the year