You can apply a discount from a vendor to one or more bills from that same vendor.
To do this task
If you have not already done so, enter
the bill in QuickBooks.
Go to the Vendors menu and click Pay Bills.
Complete the payment information for a check,
card, or online
vendor payment, but don't record the payment yet.
Select and highlight the
bill for which you want to apply a discount.
Click the Set Discount button.
(Optional) Change the amount
of the discount.
Choose the Discount Account where you track income from discounts.
Click the Done button.
Click the Pay Selected Bills button.
discount you've already applied to a bill payment
Applying credits to a
discounts and credits to bill payments