How do I create credit note for post-sale discount?

Here’s how to create a Credit Note for post-sale discount:

• Go to Sales from the left sidebar.
• Naigate to Invoices on the top modular bar and select Credit Notes from the dropdown.
• Click the +New button.
• Enter the required details.
• Go to the Item table section and enter the description as Post-Sale Discount.
• Select the account in which you want to track the discount in the Account field.
• Click Save.