Comparative data on three companies in the same service industry are given below.

Required:

$03$:$29$:$58$

$2.$ Fill in the missing information.

Note: Round the "Turnover" and "ROI" answers to $2$ decimal places.

$\backslash$table$[[,,,,,$Company,,,,$],[,,$A$,,,$B$,,,$C$,],[$Sales$,$$$,5,928,000,,$$$,1,834,000,,,,],[$Net operating income,$$,1,185,600,,$$$,238,420,,,,],[$Average operating assets,$$,2,470,000,,,,,,3,400,000,],[$Margin$,,,\%,,,\%,,,\%$