Trenton Company had the following information: Net income $310,000, Preferred shares issued,6,700 ,weighted average number of shares of common stock 24,700 ,cash dividends declared and paid on common stock $37,000. Market price per share, $43, Weighted average number of treasury shares of common stock 4,700. What is Trenton's earnings per share? $10.54 or 8.38 or $12.55, or $15.50?