Tougher Company's current year income statement showed an EPS of \$1.25 per share. If total equity was \$600,000 (40,000 common shares, \$1 par), preferred dividends were \$10,000 (10,000 preferred shares with \$10 book value each), and the market price of common and preferred stock are \$25 and \$50, respectively, what is the book value per share of common stock?