In March 2023, Serengeti exercised an ISO that had been granted by his employer, Thunder Corporation, in December 2020. Serengeti acquired 5,500 shares of Thunder stock for the exercise price of $115 per share. The fair market value of the stock at the date of exercise was $161 per share. If an amount is zero, enter "0". a. What is Serengeti's 2020 AMT adjustment related to the ISO? Adjustment: No adjustment Amount: $ 0 b. What is Serengeti's 2023 AMT adjustment related to the ISO? Adjustment: A positive adjustment Amount: $ 230,000