WIPER INC. Condensed Balance Sheets December 31, 2020, 2019, 2018 (in millions) 2019 $1,041 2020 2018 $ 805 $ 903 Current assets Other assets 2,430 1,937 1,736 Total assets $3,235 $2,978 $2,639 Current liabilities $ 847 $ 749 2$ 1,617 1,024 594 2$ $4 Long-term liabilities Stockholders' equity 1,088 1,043 955 935 Total liabilities and stockholders' equity $3,235 $2,978 $2,639 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 $3,067 $2,930 Operating income Interest expense 313 327 101 82 Net income 242 237 Other data: Average number of common shares outstanding Total dividends paid 43.0 48.4 $ 67.0 $ 54.0 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 13 at the end of 2020, what was the market price of the stock? f. Calculate the cash dividend per share for 2020 and the dividend yield based on the market price calculated in part e. g. Calculate the dividend payout ratio for 2020. h. Assume that accounts receivable at December 31, 2020, totaled $326 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. j. Calculate the times interest earned ratio for 2020 and 2019. e. If Wiper's stock had a price/earnings ratio of 13 at the end of 2020, what was the market price of the stock? (Do not round intermediate calculations. Round your answer to 2 decimal places.) f. Calculate the cash dividend per share for 2020 and the dividend yield based on the market price calculated in part e. (Do not round intermediate calculations. Round your answers to 2 decimal places.) g. Calculate the dividend payout ratio for 2020. (Do not round intermediate calculations.) h. Assume that accounts receivable at December 31, 2020, totaled $326 million. Calculate the number of days' sales in receivables at that date. (Use 365 days a year. Do not round intermediate calculations.) Show lessa e. Market price f. Cash dividends per share Dividend yield g. Dividend payout ratio h. Number of days' sales days