DuPont analysis is a useful technique to break down the different return on equity (ROE) generators. The ROE decomposition helps investors to concentrate separately on key indicators of financial success to define strengths and weaknesses. Three main financial metrics drive equity return (ROE): operating performance, asset usage performance, and financial leverage. Operating output is a net profit margin or a net income separated by overall revenue or profits. The efficiency of asset usage is determined by the turnover ratio of the assets. Leverage is calculated by the equity multiplier, equal to average assets divided by average equities. The component parts of a firm's return on equity (ROE) are calculated using a DuPont analysis. This allows an investor to assess, which financial activities contribute the most to the ROE changes