Calculate the discount by opening the Discount/ Multiline discountfunction. The multiline discount is a way of granting a discount when one or more order lines meet the discount requirement. This requires that the items belong to the same multiline discount group. See the description of multiline discounts in the Trade agrmt. (form)form. The settings for multiline discounts and line discounts are given in the Discountbox on the Pricestab in the Accounts receivable parametersform.