Answer:
Dr Valuation Allowance for Available-for-Sale Investments $6890
Cr unrealized gain/(loss) on AFS investments $6890
Explanation:
The unrealized gain or loss on the available-for-sale securities is the difference between its cost of $252,000 and the fair value of $258,890 on 31st December.
Gain/(loss)=$258,890-$252,000=$6890 unrealized gain
The amount would be credited to unrealized gain/(loss) on AFS investments while Valuation Allowance for Available-for-Sale Investments would be debited with the same amount