This document discusses various metrics used to measure corporate performance, including market value added, economic value added, book rates of return, and financial ratios. It provides definitions and examples of calculating return on capital, return on assets, return on equity, asset turnover ratio, operating profit margin, long-term debt ratio, and times interest earned ratio using financial data from Lowe's income statement and balance sheet. The purpose of the various metrics and ratios is to evaluate corporate performance, profitability, efficiency, and leverage.