Answer:
Date Account Titles Debit Credit
Dec 30, 14 No entry on Grant Date
Dec 30, 15 Compensation expense $40000
Paid in capital- stock options $40000
Dec 30, 16 Compensation expenses $40000
Paid in capital- stock options $40000
Jan 1, 17 Cash (30*5000*90%) $135000
Paid in capital- stock options $72000
(80000*90%)
Common stock (5000*90%*1) $4500
Paid in capital $202500
Jan 1, 18 Paid in capital- stock options $8000
Paid in capital- expired stock options $8000