NBD’s current charges (Merchant Discount Rate – MDR) are as follows: NBD Visa Debit card used on NBD’s POS terminal: 1% of purchase value Eg., Transaction of EC$100 EC$99 to merchant’s bank account and EC$1 to NBD Any other Mastercard or Visa card on NBD’s Merchant POS terminal: 2.75% of purchase value Eg., Transaction of EC$100 EC$97.25 to merchant’s bank account and EC$2.75 to NBD