Available in Sage 50 Premium Accounting and higher.

Turn On or Off Line Item Discounts

To set up Sage 50 Accounting to discount items in their transaction lines for sales quotes, orders, and invoices:

In the Home window on the Setup menu, choose Settings.
Click on Customers and Sales and then Discount.
Select Calculate Line Item Discounts On Invoices, Orders, and Quotes.
Click OK.

What do you want to do?

Record a default discount for a customer