The invoice amount is fully opened by non-deduction of discounts, so the credit invoicing customers, so the average discount certificate according to the amount of the invoice.
Invoices have opened the full amount without discount. So customers to issue a credit guarantee to the average discount based on the amount of the invoice.
The invoice has turned into a full amount without break discounts. So customers need to direct debit to certified average discount model by the amount of the invoice .