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. Do not round your intermediate calculations.) Sales Net operating income Average operating assets Return on investment (ROI) Minimum required rate of return Percentage Dollar amount Residual income Company A Company B Company C S 310,000 $ 780,000 S 570.000 $ 35,000 $ 168,000 $ 149,000 25% 21 % % 13 % % 15% S 57,000 8,000