Answer:
D. Debit Fair Value Adjustment-Available-for-Sale $300; credit Unrealized Gain-Equity $300
Explanation:
The journal entry to record the year-end adjustment is as follows
Fair Value Adjustment-Available-for-Sale $300 ($200,300 - $200,000)
To Unrealized Gain-Equity $300
(Being year-end adjustment is recorded)
The available for sale securities would be at fair market value
Therefore the unrealized gain would be $300
hence, the correct option is d.