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 $ 390,000 $ 650,000 $ 540,000 $ 37,000 $ 166,000 $ 159,000 21% 19 % % 14 % % 12 % $ 53,000 6,000