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 Sales $163,786 Verizon $126,280 Earnings available for common stockholders Total assets 13,533 13,808 403,721 244,280 Stockholders' equity 124,110 24,232 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.) Net profit margin ATT Verizon