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). Liabilities Financial Information ($ in millions, 2013) Company Sales Net Income PepsiCo $66,455 $6,697 Coca-Cola $46,895 $8,550 McDonald's $28,185 $5,708 Total Assets $77,334 $89,941 $36,583 $53,082 $56,714 $20,572