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 Sales 420,000 520,000 $ $ 720,000 46,000 $ 156,000 154,000 20% 20% Net operating income Average operating assets Return on investment (ROI) Minimum required rate of return: Percentage Dollar amount $ 52,000 Residual income 7,000