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 $ 310,000 $ 820,000 $ 600,000 $ 48,000 $ 151,000 18 % $ 145,000 16% % 14 % % 11 % $ 59,000 $ 7,000