S&L Financial buys and sells securities expecting to earn profits on short-term differences in price. Assume that on December 27, 2024, S&L purchased Coca-Cola bonds at par for $883,000 and sold the bonds on January 3, 2025, for $890,000. At December 31, the bonds had a fair value of $877,000. Prepare journal entries to record (a) any unrealized gains or losses occurring in 2024 and (b) the sale of the bonds in 2025.