Thanks for the prompt response, @joycesyi.
You can create a Journal Entry (JE) to record this transaction. Here’s how:
1. Go to the Plus icon and select Journal Entry.
2. In the Journal date box, enter December 31, 2018.
3. Under the Account column, select Accounts Payable (A/P).
4. Enter the transaction amount in the Debits or Credits column.
5. Specify a vendor in the Name field.
6. Make sure that the Debit column entries equal the sum of the Credit column entries.
7. Select Save.


After creating an entry for your bill transaction, record the payment. Follow the steps below:
1. Go to the Plus icon and select Journal Entry.
2. In the Journal date box, enter January 1, 2019.
3. Under the Account column, select the appropriate account used to pay the bill.
4. Enter the transaction amount in the Debits or Credits column.
5. Specify a vendor in the Name field.
6. Make sure that the Debit column entries equal the sum of the Credit column entries.
7. Hit Save.
For more information, take a look at this article: How to create a journal entry.
Though the steps in creating a JE will help you record your transaction, I’d still suggest consulting an accountant to ensure your books are correct.
That should answer your question for today. Please know you can always reach me here should you need any help with QuickBooks, I want to ensure your success. Thanks for coming to the Community and take care.