Guide to Understanding Merchant Discount Rates and Increasing your profits merchantech.com

Merchant Discount Rate (MDR) is not a coupon or discount card you found in the cereal box this morning. Brace yourself, folks—Merchant Discount Rate, in essence, is the percentage of each credit card or debit card transaction that the merchant pays to the card-issuing bank and the payment processing company (sounds daunting, right?).