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.$)$

$\backslash$table$[[,$Company A$,$Company B$,$Company C$],[$Sales$,$$$,3,600,000,,$$$,1,368,000,,,,],[$Net operating income,$$,360,000,,$$$,273,600,,,,],[$Average operating assets,$$,1,800,000,,,,,9,3,470,000,],[$Margin$,,,\%,,,\%,,,\%$