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.) Sales Net operating income Average operating assets Return on investment (ROI) Minimum required rate of return: Percentage Dollar amount Residual income A Company B C $ 9,000,000 $ 7,000,000 $ 4,500,000 280,000 $ 3,000,000 $ 1,800,000 18 % 14 % % 16 % SA $ 320,000 % 15 % $ 90,000