Trenton Company has provided the following information:
• Net income, $240,000
• Preferred shares issued, 6,000
• Weighted average number of shares of common stock issued, 24,000
• Cash dividends declared and paid on common stock, $30,000
• Market price per share, $36
• Weighted average number of treasury shares of common stock, 4,000
What is Trenton’s price/earnings ratio?