Answer and Explanation:
The computation and the journal entry is
1 The revised estimated total compensation = 0
2 The Farmer will able to reverse the 2021 recorded compensation
3 The journal entry is
Paid in capital-stock options $756,000 ($420,000 × 9)/5
Compensation expense $756,000
(Being the journal entry for the option is recorded)
Here the paid in capital would be debited as it decreased the equity and the compensation expense is credited as it decreased the liability