Gabbe industries is a division of a major corporation. Last year the division had total sales of $23,878,800, net operating income of $3,056,486, and average operating assets of $8,844,000. The company's minimum required rate of return is 18%. Required: a. What is the division's margin? (Round your percentage answer to 2 decimal places.) b. What is the division's turnover? (Round your answer to 2 decimal places.) c. What is the division's return on investment (ROI? (Round percentage your answer to 2 decimal places.) a. Margin b. Tumover c. Return on investment