disregard a-d, I figured those out. but im stuck on e-j. except for f I figured that one out as well.

Presented here are summarized data from the balance sheets and income statements of Wiper Inc WIPER INC. Condensed Balance Sheets December 31, 2020, 2019, 2018 (in millions) 2020 2019 2018 Current assets $ 764 $ 981 $ 843 Other assets 2,424 1,931 1,730 Total assets $3,188 $2,912 $2,573 Current liabilities $ 588 $ 841 Long-term liabilities Stockholders' equity Total liabilities and stockholders' $3.188 $2.912 $2,573 equity 734 1,34 WIPER INC. Selected Income Statement and Other Data For the year Ended December 31, 2020 and 2019 (in millions) 2020 2019 Income statement data: Sales $3,061 $2,924 Operating income 307 321 Interest expense 9576 Net income 224 219 Other data: Average number of common shares 42.4 47.8 outstanding Total dividends paid $ 61. $ 53.4 Required: a. Calculate return on investment, based on net income and average total assets, for 2020 and 2019 b. Calculate return on equity for 2020 and 2019. c. Calculate working capital and the current ratio for each of the past three years. d. Calculate earnings per share for 2020 and 2019 e. if Wiper's stock had a price/earnings ratio of 12 at the end of 2020, what was the market price of the stock? Calculate the cash dividend per share for 2020 and the dividend yield based on the market price calculated in parte g. Calculate the dividend payout ratio for 2020 h. Assume that accounts receivable at December 31, 2020, totaled $320 million Calculate the number of days sales in receivables at that date. I Calculate Wiper's debt ratio and debt equity ratio at December 31, 2020 and 2019. Calculate the times interest earned ratio for 2020 and 2019