The following information was available for the year ended December 31, 2019: Sales Net income Average total assets Average total stockholders' equity Dividends per share Earnings per share Market price per share at year-end $ 400,000 60,000 1,000,000 600,000 2.40 6.00 96.00 Required: a. Calculate margin, turnover, and ROI for the year ended December 31, 2019. b. Calculate ROE for the year ended December 31, 2019. C. Calculate the pricelearnings ratio for 2019. d. Calculate the dividend payout ratio for 2019. e. Calculate the dividend yield for 2019