On 1/1/18, DEF Inc. granted 15,000 stock options to select employees, allowing for the purchase of 15,000 shares of $8 par value DEF common stock at $50/share. The options are exercisable during calendar year 2020. FMV of stock on 1/1/18 $55 FMV of stock on 1/1/20 $70 FMV of option on 1/1/18 $10

How much was charged to compensation expense in 2019? a) $75,000 b) $37,500 c) $150,000 d) $112,500