Answer: c. debit of $360 Unrealized Gain or Loss-Income
Step-by-step explanation:
The entry to adjust the bonds payable under the fair value option method on December 31, 2020 will be shown below:
December 31, 2020:
Debit Unrealized gain or loss Income ($36000 - $35640) = $360
Credit Fair Value Adjustment = $360
(To record fair value adjustment)