Provide the missing data in the following table for a distributor of martial arts products: $($Enter "Turnover" and "ROI" answers $z01$ decimal place.$)$

$\backslash$table$[[,$Division$],[,,$Alpha,,,Bravo,,,Charlie,$],[$Sales$,,,,$$$,315,000,,,,],[$Net operating income,,,,$$,31,500,,$$$,39,420,],[$Average operating assets,$$,418,000,,,,,,,],[$Margin$,,,\%,,,\%,,9\%,\%$