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If the Enable Additional Price Factor option is selected on the Administration > Settings > Sales form, you can select a particular factor defining which price list must be used. The Price column is filled in automatically if prices are available from the appropriate price list (see Price Lists). You can enter the prices manually if you have appropriate access rights.
The Discount,% and Discount (or Discount Price) columns are available if the Enable discounts and markups in sales documents option is selected on the Administration > Settings > Sales form. Use these columns to specify the manual discount granted to the customer. The default discount can be set in the customer contract.
The Auto-Discount % and Auto-Discount columns are available if the Enable Automatic Discounts and Markups option is selected on the Administration > Settings > Sales form. Non-zero values in these columns indicate that one or more discounts are applied because their conditions are met in the document. If you change any line in the document, click the Auto button to recalculate the automatic discounts. For more information on discounts, refer to Overview of Trade Discounts.The values in the Amount column are automatically calculated for each item according to the specified price, quantity, and discount.
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