Need help with these questions (2&3)

2. Benkart Corporation has sales of $5,000,000, net income of $800,000, total assets of $2,000,000, and 100,000 shares of common stock outstanding. If Benkart's P/E ratio is 12, what is the company's current stock price? 3. At 8 percent interest, how long would it take to quadruple your money