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 Not 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 $ 350,000 $ 770,000 $ 570,000 $ 55,000 S 151,000 $ 146,000 21 % 17 % % 18 % % 9% $ 58,000 $ 6,000