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

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$\backslash$table$[[,$Company$],[,$A$,$B$,$C$],[$Sales$,$$$,9,300,000,,$$$,7,500,000,,$$$,4,950,000,],[$Net operating income,,,,$$,315,000,,,,],[$Average operating assets,$$,3,100,000,,,2,,$$$,1,980,000,],[$Return on investment $($ROI$),,17,\%,,14,\%,,,\%$