I need help in this answer, i have only 20 minutes, please do it correctly

On March 1 of Year 0, Judy was granted an incentive stock option (ISO) to purchase 50 shares of her employer's stock for $12 per share. The FMV of the stock on the date of the grant was $12 per share. On May 1 of Year 1, Judy exercised her option when the stock was selling for $15 per share. On July 1 of Year 2, Judy sold all of the shares for $20 per share. What amount and character of income does Judy recognize in Year 0? $500, ordinary $0 $600, ordinary $500, capital