Ayeska Services Company, a division of a major oll company, provides various services to the operators of the North Slope oll fleid in Alasko. Data concerning 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 (ROD). (Round your intermediate calculations and final answer to 2 decimal places.) Junlper Design Limited of Manchester, England, provides design services to residential developers. Last year, the company had net operating income of $490,000 on sales of $1,700,000. The company's average operating assets for the year were $1,900,000 and its. minimum required rate of return was 16%. Required: Compute the company's residual income for the year