Arnold exercised an incentive stock option in 2018, acquiring 1,500 shares of stock at an option price of $80 per share. The FMV of the stock at the date of exercise was $110 per share. In 2020, the rights became freely transferable and are not subject to a substantial risk of forfeiture. Arnold sells the shares in 2021 for $165 per share. How do these transactions affect AMTI in 2018, 2020 and 2021?