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

Required:

$2.$ Fill in the missing information.

Note: Round the "Turnover" and "ROI" answers to $\backslash (\backslash$mathbf$\{2\}\backslash )$ decimal places.

$\backslash$begin$\{$tabular$\}\{|$c$|$c$|$c$|$c$|$c$|$c$|$c$|$c$|$c$|$c$|\}$

$\backslash$hline & $\backslash$multicolumn$\{3\}\{|$c$|\}\{$Company A$\}$ & $\backslash$multicolumn$\{3\}\{|$c$|\}\{$Company B$\}$ & & $\backslash$multicolumn$\{2\}\{|$l$|\}\{$Company C$\}\backslash \backslash$

$\backslash$hline Sales & $\backslash$$ & $3,383,000$ & & & $2,415,000$ & & & & $\backslash \backslash$

$\backslash$hline Net operating income & $\backslash$$ & $473,620$ & & & $386,400$ & & & & $\backslash \backslash$

$\backslash$hline Average operating assets & & $1,990,000$ & & & & & & $\backslash$$ $2,790,000$ & $\backslash \backslash$

$\backslash$hline Margin & & & $\backslash \%$ & & & $\backslash \%$ & & $7$ & $\backslash \%\backslash \backslash$

$\backslash$hline Turnover & & & & & & & & $1\mathrm{.}50$ & $\backslash \backslash$

$\backslash$hline Return on investment $($ROI$)$ & & & $\backslash \%$ & & $11\mathrm{.}20$ & $\backslash \%$ & & & $\backslash \%\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$