Apply credit note reason of good return and discount to this invoice

Go to Sales Invoices:  Go to the "Sales Invoice" section 

Select the Invoice to Edit: Click on the invoice you want to edit.

2. Create Credit Notes:

3.  Create the first credit note for RM 450 due to goods return.

4. Create the second credit note for RM 100 due to a discount.

5. Return to the Invoice: Go back to the invoice you were editing. 

    Use a Credit Note: Click on "Use a Credit Note." 

6 Select Credit Note: Choose the  first credit note for RM 450 due to goods return to apply. 

7.  Create the second credit note for RM 100 due to a discount.

8. Create a Refund Transaction: Enter a negative RM 100 refund into this invoice and specify the refund date.

    Save: Click "Save" to complete the process.