Exercise $10-9$ Return on Investment $($ROI$)$ and Residual Income Relations $[$LO$10-1,$ LO$10-2]$

A family friend has asked your help in analyzing the operations of three anonymous companies operating in the same service sector industry. Supply the missing data in the table below: $($Loss amounts should be indicated by a minus sign. Round your percentage answers to nearest whole percent and other amounts to whole dollars.$)$

Answer is complete but not entirely correct.

$\backslash$table$[[,,$A$,,,\backslash$table$[[$Company$],[$B$]],,,C,],[$Sales$,$$$,450,000,,$$$,730,000,,$$$,640,000,],[$Net operating income,$$,103,500,,$$$,44,000,,$$$,102,400,],[$Average operating assets,$$,169,000,,$$$,273,333,,$$$,160,000,],[$Return on investment $($ROI$),|,23,\%,,16,\%,,160,\%$