On January 1, 2016. Fax Company granted 79,875 stock options to certain executives. The options are exercisable no sooner than December 31, 2018 and expire on January 1, 2022. Each option can be exercised to acquire one share of $2 par common stock for $7 An option pricing model estimates the fair value of the options to be $4 on the date of grant Suppose on January 1, 2019 half of the options are exercised when the market price of the shares is $13 each. What is the debit to PIC-stock options