Comparative data on three companies in the same service industry are given below. Required: 2. Fill in the missing information. (Round the "Turnover" and "ROI" answers to 2 decimal places.) Company B C Sales $ 3,640,000 509,600 1,820,000 $ $ 2,040,000 $ 265,200 $ Net operating income Average operating assets Margin Turnover Return on investment (ROI) $ 2,860,000 4 % % % 2.30 % 7.80% %