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Discount settings

Line: Only give the line discount.
Multiline: Only give the multiline discount.
MAX (Line, Multiline): Give the higher discount, either line or multiline.
MIN (Line, Multiline): Give the lower discount, either line or multiline.
Line + Multiline: Add the discounts together.
Line * Multiline: Multiply line discount by multiline discount.

Set the calculation settings for an item and a customer.

For customer and periodic discounts choose if it should be always calculated, every line, or if calculated only on total.