For the following firms, 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/totalequity).

Financial Information ($ in millions, 2009) Company PepsiCo Coca-Cola Starbucks Sales Net Income Total Assets Liabilities $43,251 $31,994 $10,383 $5,142 $5,807 S 315 $35,994 $40,519 5,673 $23,888 $20,047 3,182