6. 4.00 points Gaal Industries is a division of a major corporation. Last year the division had total sales of $23,822,500, net operating income of S2 715,765, and average operating assets of $9.529,000. The company's minimum required rate of return is 18%. Required a. What is the division's margin? (Round your answer to 2 de places.) cimal Margin b. What is the division's tumover? (Round your answer to 2 decimal places.) rfurnover What s the division's retum on investment (ROI? (Round your answer to 2 decimal places c