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 A B C Sales $ 410,000 $ $ 530,000 780,000 54,000 $ $ $ 155,000 169,000 21 % 18 % % Net operating income Average operating assets Return on investment (ROI) Minimum required rate of return: Percentage Dollar amount 12% % 10 % $ 54,000 Residual income $ 7,000