A family friend has asked for your help in analyzing the operations of three anonymous companies. Supply the missing data in the tabulation below: (Negative amounts should be indicated with a minus sign.) Company $ 6,800,000 240,000 $9,400,000 Sales 10.870.000 4,120,000 17% 5,200,000 23 % 15% Net operating income Average operating assets Return on investment Minimum required rate of return: Percentage Dollar amount Residual income (loss) 15 % % % 320,000 156,000