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

$\backslash$table$[[$Sales$,$Alpha Division,Bravo Division,Charlie Division$],[,,,268,000,,,,],[$Net operating income,,,$$,21,440,,$$$,30,240,],[$Average operating assets,$$398,000,,,,,,,],[$Margin$,4,\%,,,\%,,7,\%],[$Turnover$,4\mathrm{.}0,,,,,,,],[$Return on investment $($ROI$),,\%,,16\mathrm{.}0,\%,,10\mathrm{.}5,\%]]$