Data Sales $25,000,000 Net operating income $3,000,000 Average operating assets $10,000,000 Minimum required rate of return 25% Enter a formula into each of the cells marked with a ? below Review Problem: Return on Investment (ROI) and Residual Income Compute the ROI Margin ? Turnover ? ROI ? Compute the residual income Average operating assets ? Net operating income ? Minimum required return ? Residual income ?