Exercise $11-9($Algo$)$ Return on Investment $($ROI$)$ and Residual Income Relations $[$LO$11-1,$ LO$11-2]$

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 omounts should be indicated by a minus sign. Round your percentage answers to nearest whole percent.$)$

$\backslash$table$[[,,,,,$ompany,,,,$],[,,$A$,,,$B$,,,$C$,],[$Sales$,$$$,9,600,000,,$$$,8,000,000,,$$$,5,400,000,],[$Net operating income,,,,$$,350,000,,,4,],[$Average operating assets,,$3,200,000,,,,,$$$,2,160,000,],[$Return on investment $($ROI$),,16,\%,,14,\%,,,\%$