Guanghai Co. was organized on January 1, 2012 and issued 200 000 shares of common stock on that date. On July 1, an additional 100 000 shares were issued for cash. Net income for the year was 600 000 yuan. Net earnings per share amounted to A: 3.00 yuan. B: 2.50 yuan. C: 2.40 yuan. D: 2.00 yuan.