Presented here are summarized data from the balance sheets and income statements of Wiper, Inc.: WIPER, INC. Condensed Balance Sheets December 31, 2017, 2016, 2015 (in millions) 2017 2016 2015 Current assets $ 650 $ 900 $ 700 Other assets 2,750 2,050 1,750 Total assets $3,400 $2,950 $2,450 Current liabilities $ 500 $ 800 $ 700 Long-term liabilities 1,500 1,000 800 Stockholders' equity 1,400 1,150 950 Total liabilities and stockholders' equity $3,400 $2,950 $2,450 2017 2016 WIPER, INC Selected Income Statement and Other Data For the year Ended December 31, 2017 and 2016 (in millions) Income statement data: Sales Operating income Interest expense Net income Other data: Average number of common shares outstanding Total dividends paid $3,300 380 80 300 $2,900 300 70 230 44 $ 50 $ 42 30 Required: a. Calculate return on investment, based on net income and average total assets, for 2017 and 2016. (Do not round intermediate calculations. Round your answers to 1 decimal place.) 2017 2016 Return on investment % b. Calculate return on equity for 2017 and 2016. (Round your answers to 1 decimal place.) 2017 2016 Return on equity c. Calculate working capital and the current ratio for each of the past three years. (Enter your answers in millions (i.e., 5,000,000 should be entered as 5). Round "Current ratio" to 1 decimal place.) 2017 2016 2015 Working capital Current ratio d. Calculate earnings per share for 2017 and 2016. (Round your answers to 2 decimal places.) 2017 2016 Earnings per share e. If Wiper's stock had a price/earnings ratio of 14 at the end of 2017, what was the market price of the stock? (Round intermediate calculations and final answer to 2 decimal place.) Market price f. Calculate the cash dividend per share for 2017 and the dividend yield based on the market price calculated in part e. (Round intermediate calculations and final answers to 2 decimal place.) Cash dividends per share Dividend yield % g. Calculate the dividend payout ratio for 2017. (Do not round intermediate calculations. Round your answer to 1 decimal place.) Dividend payout ratio h. Assume that accounts receivable at December 31, 2017, totaled $310 million. Calculate the number of days' sales in receivables at that date. (Use 365 days a year. Do not round intermediate calculations. Round your answer to 1 decimal place.) q Number of days' sales days 1. Calculate Wiper's debt ratio and debt/equity ratio at December 31, 2017 and 2016. (Round "Debt ratio" to 1 decimal place and "Debt/equity ratio" to the nearest whole percent.) 2017 2016 Debt ratio Debt/equity ratio j. Calculate the times interest earned ratio for 2017 and 2016. (Round your answers to 1 decimal place.) 2017 2016 Times interest earned times times