Presented here are summarized data from the balance sheets and income statements of Wiper. Inc.:

Required:
a. Calculate return on investment, based on net income and average total assets, for 2017 and 2016. Show both margin and turnov er in your calculation.
b. Calculate return on equity for 2017 and 2016.
c. Calculate working capital and the current ratio for each of the past three years.
d. Calculate earnings per share for 2017 and 2016.
c. If Wiper's stock had a price/earnings ratio of 14 at the end of 2017. what was the market price of the stock?
f. Calculate the cash dividend per share for 2017 and the di idend yield based on the market price calculated in part e.
g. Calculate the dividend payout ratio for 2017.
h. Assume that accounts receivable at December 31.2017. totaled S310 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. 2017 and 2016.
j. Calculate the times interest earned ratio for 2017 and 2016.
k. Review the results of these calculations, evaluate the profitability and liquidity of this company, and state your opinion about its suitability as an investment for a young, single professional with funds to invest in common stock.

WIPER, INC. Condensed Balance Sheets December 31, 2017, 2016, 2015 in millions) 2017 2016 2015 S 650 S 900 2,050 $2,950 S 800 1.000 1,150 $2,950 S 700 Current assets Other assets Current liabilities Long-term liabiities Stockholders' equity $3,400 S 500 1,500 1.400 $3.400 $2.450 S 700 800 Total liabilities and stockholdes' equity $2,450 WIPER, INC. Selected Income Statement and Other Data For the Years Ended December 31, 2017 and 2016 in millions) 2017 2016 Income statement data: $3,300 380 80 300 Sales. . .. Operating income. Net income Average number of common shares outstanding $2,900 300 70 230 Other data 42 $ 30 Total dividends paid 50