On September 10 оf the current yeаr, Mаgic Cаrpet, Inc. sоld carpeting tо a customer for $[A] with credit terms [B]/10, n/30. Magic Carpet uses the gross method for reporting sales discounts. On September 18, the customer pays Magic Carpet the correct amount owed. What amount, if any, will Magic Carpet debit the Sales Discount account when recording the September 18 payment?