DuPont system of analysis Use the following 2016 financial information for ATT and Verizon to conduct a DuPont system of analysis for each company. ATT Verizon Sales $163,800 $125,980 Earnings available for common stockholders 13,333 13,908 Total assets 403,821 244,180 Stockholders' equity 124,210 24,332 a. Which company has the higher net profit margin? Higher asset turnover? b. Which company has the higher ROA? The higher ROE? a. Net profit margin (Round to three decimal places.) ATT Verizon Net profit margin