You can use either the barter method or a journal entry to offset your revenue and expenses in QuickBooks, Sara.

First, let's set up the barter bank account:

1. Go to the Gear icon, then select Chart of Accounts.
2. Select New account.
3. In the Account name, you can enter Barter Account.
4. Under the Account Type dropdown, choose Cash and cash equivalents.
5. In the Detail Type dropdown, select Cash on hand.
6. Save after.

Next, we can receive the payment for the invoice using the barter bank account:

1. Select + New, then click Receive payment.
2. From the Customer dropdown, choose your vendor's name.
3. Fill in the date and amount.
4. Click the Payment method dropdown, then select Add new.
5. Enter Barter in the Name field, then click Save.
6. For the Deposit to dropdown, select your barter bank account.
7. Click Save and close.

For the bill, you can follow these steps:

1. Click + New, then select Pay bills.
2. From the Payment account dropdown, click your barter bank account.
3. Select the bill of your vendor.
4. Under the Payment column, enter the amount.
5. Select Save and close.

You can also use a journal entry, which is best done by consulting with your accountant to ensure that the Debits and Credits columns are correct for accurate tracking.

If you have additional questions or need further assistance, please click the Reply button.