On January 1, 2021, Rubio Inc. granted restricted stock units (RSUs) representing 35 million of its $1 par common shares to executives, subject to forfeiture if employment is terminated within four years. After the recipients of the RSUs satisfy the vesting requirement, the company will distribute the shares. The common shares had a market price of $10 per share on the grant date. At the date of grant, Rubio anticipated that 4% of the recipients would leave the firm prior to vesting. Ignore taxes.

Required:

1. Prepare the appropriate journal entry to record compensation expense on December 31, 2021.

2. Prepare the appropriate journal entry to record compensation expense on December 31, 2022.

3. During 2023 third year, Rubio revised its estimate of forfeitures from 4% to 9%. Prepare the appropriate journal entry to record compensation expense on December 31, 2023.

4. Prepare the appropriate journal entry to record compensation expense on December 31, 2024.

Please show all work and calculations