The following information shows Carperk Company's individual investments in securities during its current year, along with the December 31 fair values.

1. Investment in Brava Company bonds: $391,050 cost; $425,071 fair value. Carperk intends to hold these bonds until they mature in 5 years.
2. Investment in Baybridge common stock: 29,500 shares; $310,885 cost; $337,932 fair value. Carperk owns 32% of Baybridge's voting stock and has a significant influence over Baybridge.
3. Investment in Duffa bonds: $160,331 cost; $172,837 fair value. This investment is not readily marketable and is not classified as held-to-maturity or trading.
4. Investment in Newton notes: $89,159 cost; $87,643 fair value. Newton notes are not readily marketable and are not classified as held-to-maturity or trading.
5. Investment in Farmers common stock: 16,300 shares; $97,763 cost; $103,824 fair value. This stock is marketable, and Carperk intends to sell it within the year. This stock investment results in Carperk having an insignificant influence over Farmers.

Prepare a journal entry dated December 31 to record the fair value adjustment for the portfolio of available-for-sale debt securities. Carperk had no available-for-sale debt securities prior to this year.