Hi there, Joy gardener.
Good job! You're able to figure out how to reflect the credit on your invoice. I appreciate you for sharing this with us for this may help other users in QuickBooks Desktop.
In behalf of my colleague GraceC, I'm excited to share the following resources to help you navigate and learn the features and functions of QuickBooks:
If I can be of help with something else, please don't hesitate to get back to me. I'm always happy to assist.