Return on Investment (ROI) Love Machine 16 years ago Return on Investment (ROI) The percentage of net book value that forms the book income. Random Finance Terms for the Letter S Retracement Return Return on Assets (ROA) Return on Capital Employed Return on Capital Employed Return on Equity (ROE) Return on Investment (ROI) Return on Total Assets Revaluation Revenue Bond Recommended for you: Return on Equity (ROE) Return on Assets (ROA) Return on Capital Employed Return on Total Assets