Calculate DuPont ROE and decide which of the following is correct. Annual Sales Total Liabilities Net Income Total Assets 2018 2017 2016 2015 2014 230,000 200,000 170,000 140,000 110,000 50,000 47,000 46,000 43,000 44,000 11,454 9,940 8,500 6,930 5,390 105,000 99,000 95,000 85,000 90,000 Select one: O a. ROE has been increasing, primarily due to improved profit margin. O b. ROE has been increasing, primarily due to increasing utilization of debt. O C. ROE has been decreasing, primarily due to increasing utilization of debt. O d. ROE has been decreasing, primarily due to a deteriorating asset turnover. e. ROE has been increasing, primarily due to increase improved asset turnover