How do I solve this?

1 nts Exercise 11-5 Return on Investment (ROI) [LO11-1] Provide the missing data in the following table for a distributor of martial arts products: (Enter "Turnover" and "ROI" answers to 1 decimal place.) Answer is complete but not entirely correct. Division Bravo Charlie Alpha 1.960,000 Sales $ 34.300 Net operating income Average operating assets $ 490,000 Margin 7 % Turnover 4.0 Return on investment 7.0 % (ROI) $266,000 $ 37,240 $133,000 14% 2.00 % 28.0 $ 435,000 $56,550 $ 2,900 13 % 150.0 19.5 1%