December 31, 2020 2019, 2018 tin millions) 2020 Current assets $ 707 Other assets 2,419 Total assets $3,126 Current liabilities $ 583 Long-term liabilities 1,530 Stockholders' equity 1,013 Total liabilities and stockholders' equity $3,126 2019 $ 939 1,926 $ 2,865 $ 836 997 1,032 $ 2,865 2018 $ 793 1,725 $2,518 $ 724 870 924 $2.518 2019 WIPER INC. Selected Income Statement and Other Data For the year Ended December 31, 2020 and 2019 in millions) 2020 Income statement data: Bales $3,056 Operating income 302 Interest expense 90 Het income 209 Other data Average number of coton shares outstanding 41.9 Total dividends paid $ 56.0 $2,919 316 71 204 47. $ 52.9 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 14 at the end of 2020, what was the market price of the stock? 1. 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 $315 million Calculate the number of days' sales in receivables at that date. 1. Calculate Wiper's debt ratio and debt/equity ratio at December 31, 2020 and 2019. J. Calculate the times interest earned ratio for 2020 and 2019