Tanya, an employee of a Canadian public company, received an option to purchase 1,000 common shares of her employer at $30 per share in April 2019 when the shares were worth $19 per share. In December 2020, when the fair market value was $40 per share, she exercised her options. In January 2021, she sold all the shares for $48 per share. Tanya wants to know what employee benefit she will have to report on her tax return in 2020. She wants to pay the lowest amount of taxes possible.

1. 14,000

2. 5,000

3. 18,000

4. 10,000