On January 1, year 1, the board of directors of a corporation granted 10,000 stock options to the CEO. Each option permits the purchase of one share of stock at $25 per share, the current market price of the stock. The options are exercisable on December 31, year 4, as long as the CEO is still employed. The options expire on December, year 5. The grant date fair value of each option if $5. The corporation must recognize: a. $50,000 of compensation expense when the options are exercised b. $50,000 of compensation expense in year 1 c. $12,500 of compensation expense per year for four years d.$10,000 of compensation expense per year for five years