4. 7 nts Income statement data: Sales Operating income Interest expense Net income eBook Print Other data: (in millions) Average number of common shares outstanding Total dividends paid Required: 2023 2022 $ 3,300 $ 2,900 380 300 80 70 300 230 44 42 $ 50 $ 30 2022. eferences a. Calculate return on investment, based on net income and average total assets, for 2023 and 2022. b. Calculate return on equity for 2023 and 2022. c. Calculate working capital and the current ratio for each of the past three years. d. Calculate earnings per share for 2023 and 2022. e. If Wiper's stock had a price/earnings ratio of 14 at the end of 2023, what was the market price of the stock? f. Calculate the cash dividend per share for 2023 and the dividend yield based on the market price calculated in part e. g. Calculate the dividend payout ratio for 2023. h. Assume that accounts receivable at December 31, 2023, totaled $310 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, 2023 and 2022. j. Calculate the times interest earned ratio for 2023 and 2022.