Selected financial information for Magnetic Imaging Corporation is shown below. Sales Net operating income $ 17,700,000 $ 4,600,000 Average operating assets $ 36,900,000 Required: 1. Compute the margin for Magnetic Imaging Corporation. (Round your answer to 2 decimal places.) 2. Compute the turnover for Magnetic Imaging Corporation. (Round your answer to 2 decimal places.) 3. Compute the return on investment (ROI) for Magnetic Imaging Corporation. (Round your intermediate calculations and fina answer to 2 decimal places.) 1. Margin 2. Turnover 3. ROI % %