How to apply the F4 discount to one or more manually-priced items on the invoice

1. Highlight the items on the invoice that you want to discount.
2. Click F4 Discount or press F4.
3. Select the Apply to Manually Priced Items checkbox.
   
   
4. If you want to apply this discount to all manually-priced items that you add going forward, click Apply from this point on.

   Note: Use this option with caution.  If you select this option, discounts will apply to all additional non-inventory and active inventory items that you manually price.

5. Click Finish or press F12.

Learn more
About applying the F4 discount to manually-priced items