Consists of interchange fees charged to merchants by issuing banks for the ability to accept bankcard transactions combined with fees charged to merchants by acquirers to cover such services as processing, terminal installation, help desks and statement rendering. The merchant discount is set by the acquirer at a percentage of the purchase amount, typically between 1.5 percent and 3.5 percent. Sometimes the acquirer’s portion of the merchant discount is referred to as the net merchant discount. Also referred to as a transaction fee.