The Grinch purchased $300,000 of Who Corporation face value bonds for $260,000 on December 25, 2022. The bonds had been issued with $40,000 of original issue discount because Who was in financial difficulty in 2022. On December 29, 2023, The Grinch sold the bonds for $263,000 after amortizing $500 of the original issue discount. What are the nature and amount of The Grinch's gain or loss