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Dupont Ratios Analysis AMZN Quote Amazon.com

ROE = Net IncomeAverage Total EquityROE = Net IncomePretax IncomeTax Burden  Net IncomePretax IncomeInterest Burden  E B I TRevenueReturn On Sales (ROS)Profit Margin  RevenueAverage Total AssetsAssets TurnoverROA  Average Total AssetsAverage Total EquityEquity Multiplier(Financial Leverage)ROE~=~\underbrace{\dfrac{Net~Income}{Average~Total~Equity}}_{\text{ROE}}~=~\underbrace{\underbrace{\underbrace{\dfrac{Net~Income}{Pretax~Income}}_{\text{Tax~Burden}}~*~\underbrace{\dfrac{Net~Income}{Pretax~Income}}_{\text{Interest Burden}}~*~\underbrace{\dfrac{E~B~I~T}{Revenue}}_{\text{Return~On~Sales~(ROS)}}}_{\text{Profit~Margin}}~*~\underbrace{\dfrac{Revenue}{Average~Total~Assets}}_{\text{Assets~Turnover}}}_{\text{ROA}}~*~\underbrace{\dfrac{Average~Total~Assets}{Average~Total~Equity}}_{\text{Equity~Multiplier(Financial~Leverage)}}

ROE =NI/EBT *EBT/EBIT *EBIT/Revenue *Asset Turnover *Company Equity Multiplier
6.18%38.01%816.67%0.18%256.60%4.32
ROA =Net Profit Margin *Asset Turnover
1.43%0.56%256.60%

The company's tax burden is (Net income ÷ Pretax profit). This is the proportion of the company's profits retained after paying income taxes. [NI/EBT]
The company's interest burden is (Pretax income ÷ EBIT). This will be 1.00 for a firm with no debt or financial leverage. [EBT/EBIT]
The company's operating income margin or return on sales (ROS) is (EBIT ÷ Revenue). This is the operating income per dollar of sales. [EBIT/Revenue]
The company's asset turnover (ATO) is (Revenue ÷ Average Total Assets).
The company's equity multiplier is (Average Total Assets ÷ Average Total Equity). This is a measure of financial leverage.

ROE = (Profit margin)*(Asset turnover)*(Equity multiplier) = (Net profit/Sales)*(Sales/Average Total Assets)*(Average Total Assets/Average Equity) = (Net Profit/Equity)
0.061809696655431685 = 0.0055697811337682 * 2.566029591616508 * 4.324708322530464

Profitability (measured by profit margin)
Asset efficiency (measured by asset turnover)
Financial leverage (measured by equity multiplier)