At calendar year end, Logan Corporation had total stockholders' equity of $10,000,000. The calendar year began with 100,000 shares outstanding, and 20,000 additional shares were issued on July 1. There is no preferred stock. At year end, book value is:

A. $100 per share. B. $90.91 per share. C. $83.33 per share. D. The answer cannot be determined without knowing beginning equity. E. None of these.