Olympic Corporation Purchased a Debt Security for $500,000 on July

Olympic Corporation purchased a debt security for $500,000 on July 1, 2020 and properly classified it as a trading security. As of the last day of 2020, the fair value of the security was $494,000. The proper journal entry on this date includes ________.

A) a credit to Fair Value Adjustment - Trading Debt Investments for $6,000
B) a debit to Fair Value Adjustment - Trading Debt Investments for $494,000
C) a debit to Unrealized Loss - Net Income for $494,000
D) a credit to Unrealized Loss - Net Income for $6,000