How do I record an invoice as "Paid" manually?

Here's how you can create an invoice & mark it as paid without sending it to the client

1. Create the invoice
2. Enter the details of the invoice
3. At the final page of the invoice form, select "Save without sending"
4. Click into the invoice
5. Select "More actions" at the top right of the page
6. Select "Record payment" and enter in the dollar amount