Provide the missing data in the following table for a distributor of martial arts products: Note: Enter "Turnover" and "ROI" answers to $1$ decimal place.

$\backslash$table$[[,$Division$],[,,$Alpha,,,Bravo,,Charlie,$],[$Sales$,,,,$$$,248,000,,,],[$Net operating income,,,,$$,34,720,,40,560,],[$Average operating assets,$$,388,000,,,,,,],[$Margin$,,7,\%,,,\%,13,\%$