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 $ 9,240,000 . $ 7,400,000 . $ 4,860,000 Net operating income 306 000 .$_. Average operating assets $ 3,080,000 $_.$_ 1, 944, 000. Return on investment (ROI) 15 % Minimum required rate of return: Percentage 13 % $_. Dollar amount Residual income