DuPont identity. For the firms in the popup window, find the return on equity using the three components of the DuPont identity: operating efficiency, as measured by the profit margin (net income/sales); asset management efficiency, as measured by asset turnover (sales/total assets); and financial leverage, as measured by the equity multiplier (total assets/total equity). Financial Information (\$ in millions, 2013) \begin{tabular}{|l|c|c|c|c|} \hline Company & Sales & Net Income & Total Assets & Liabilities \\ \hline PepsiCo & $66,444 & $6,771 & $77,375 & $53,191 \\ \hline Coca-Cola & $46,709 & $8,419 & $90,077 & $56,773 \\ \hline McDonald's & $28,098 & $5,744 & $36,611 & $20,586 \\ \hline \end{tabular}