The Marine Division of Pacific Corp. has average invested assets of $110,000,000. Sales revenue of $50,290,000 results in an operating income of $9,961,000. The hurdle rate is 7%. a. Calculate the return on investment. (Round your answer to 2 decimal places.) b. Calculate the profit margin. (Round your answer to 2 decimal places.) c. Calculate the investment turnover. (Round your answer to 4 decimal places.) b. Calculate the profit margin. (Round your answer to 2 decimal places.) c. Calculate the investment turnover. (Round your answer to 4 decimal places.) d. Calculate the residual income