[The following information applies to the questions displayed below. BusServ.com Corporation provides business-to-business services on the Internet. Data concerning the most recent year appear below: Sales Net operating income Average operating assets 11,310,000 $ 904,800 $ 3,900,000 Consider each question below independently. 5. points 0.50 points Required 1. Compute the company's margin, turnover and return on investment (ROI). (Do not round intermediate calculations. Round your final answers to 2 decimal places.) Margin Turnover ROI