Selected data from an investment center of IROL Incorporated follow: Sales: Net book value of assets, beginning Net book value of assets, ending Net operating income Minimum rate of return $ 8,750,000 2,950,000 2,975,000 3,325,000 12% Required: 1. Calculate return on sales (ROS), asset turnover (AT), and return on investment (ROI). (Round "Asset turnover (AT)" answer to 3 decimal places and other answers to 2 decimal places. Only enter ROI as a %.) 2. Calculate residual income (RI). Answer is complete but not entirely correct. 1. Return on sales (ROS) 0.38 Asset turnover (AT) 2.950 times Return on investment (ROI) 1.12% 2. Residual income (RI) $ 1,050,000