Carpark Services began operations in 20X1 and maintains long-term investments in available-for-sale securities. The year-end cost and fair values for its portfolio of these investments follow. The year-end adjusting entry to record the unrealized gain/loss at December 31, 20x1 is: 89 Available-for-Sale Securities December 31, 20x1 December 31, 20X2 December 31, 20X3 Cost $285,000 $368,000 $ 438,000 Fair Value $269,000 $387,500 $ 485,000 Skipped Multiple Choice O ) Debit Fair Value Adjustment - Available-for-Sale (LT) $16,000; Credit Unrealized Gain - Equity $16,000. O Debit Unrealized Loss - Equity $16,000; Credit Fair Value Adjustment - Available-for-Sale (LT) $16,000. O Debit Unrealized Loss - Income $16,000; Credit Fair Value Adjustment - Available-for-Sale (ST) $16,000. O Debit Unrealized Gain-Equity $16,000; Credit Fair Value Adjustment - Available-for-Sale (LT) $16,000. C) Debit Fair Value Adjustment - Available-for-Sale (LT) $16,000; Credit Unrealized Loss - Equity $16,000