1. Calculate return on investment, based on net income and average total assets, for 2020 and 2019.
2. Calculate return on equity for 2020 and 2019.
3. Calculate working capital and the current ratio for each of the past three years.
4. Calculate earnings per share for 2020 and 2019.
5. If Wiper's stock had a price/earnings ratio of 13 at the end of 2020, what was the market price of the stock?

Presented here are summarized data from the balance sheets and income statements of Wiper Inc.: 2018 WIPER INC. Condensed Balance Sheets December 31, 2020, 2019, 2018 (in millions) 2020 Current assets $ 734 Other assets 2,421 Total assets $3. 155 Current liabilities S585 Long-term liabilities 1,555 Stockholders' equity 1,015 Total liabilities and stockholders' equity $3,155 2019 $ 959 1,928 $2,887 $ 813 1, 727 $2.540 2019 WIPER INC. Selected Income Statement and Other Data For the year Ended December 31, 2020 and 2019 (in millions) 2020 Income statement data: $3,058 Operating income Interest expense 92 Net income Other data: Average number of common shares outstanding 42.1 Total dividends paid $ 58.0 304 $2,921 318 73 215 210 47.5 $ 53.1