Thanks for posting here, @sgmken,

I want to make sure you're able to record the entries correctly in QuickBooks.

Regarding the transaction for 2/19/21, you can simply create and deposit the sales receipt to the Undeposited Funds account. Make sure to use the exact amounts received that appears in the bank statement fro reconciliation purposes.

Then, create a bank deposit with the credit card fee so you can match it with the bank entry.

Enter a Bank Deposit for the credit care fee to relieve the balance from Undeposited Funds account. 

1. Click the QuickBooks Plus (+) icon then select Bank Deposit.
2. Mark the sales receipts from the Select the payments included in this deposit section.
3. Expand the Add funds to this deposit section to add a new line item.
4. In the Account column, add an expense account for the fee.
5. For the Amount field, enter a negative amount for the credit card fee.
6. Make sure the deposit matches the net bank deposit amount.
   
7. Click Save and close.

You can now match the transaction to the online banking transaction. Here are the steps with sample screenshot:

1. Go to the Banking menu and select the account where you receive the deposit.
2. Click the transaction to expand the options, then tap the Match radio button.
3. You will see the Find other records button from there.
4. Find the invoice and the other transactions related to the deposit in the Records found.
5. Select the link next to each record to get more details.
6. Check the Deposit to field, then select Match.

See this article to learn more about managing bank transactions in QBO: Categorize and match online bank transactions in QuickBooks Online.

Regarding the refund process, this article will help you record them: Record a customer refund in QuickBooks Online

Let me know if you have any other questions or concerns. I'll be right here should you need further help. Have a good one!