QUESTION 15 O points Save Ar a As a shareholder of an oil company, you receive its annual report. In the financial statements, the firm reported assets of $9 million, liabilities of $5 million, after-tax earnings of $2 million, and 750,000 outstanding shares of common stock. a. Calculate the earnings per share of this oil company's common stock. After-tax earnings per share b. Assuming that a share of this oil company's common stock has a market value of $40, what is the firm's price-earnings rati o? a Use the space below to show and describe your work