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 and other amounts to whole dollars.) Company B A Sales $ 390,000 $ $ 680,000 820,000 45,000 $ $ 157,000 $ 140,000 21 % 19 % Net operating income Average operating assets Return on investment (ROI) Minimum required rate of return: Percentage Dollar amount Residual income 18 % % 13 $ 47,000 $ 5,000