The Krack vulnerability is potentially affecting every Wi-Fi device. Learn more about it and use this protection guide to secure your data. The Krack vulnerability is potentially affecting every Wi-Fi device.
In addition to the per transaction fee charged to you by the credit card processing company, you may also be assessed a minimum monthly fee. If you do not do a certain level of credit card business per month, the company will charge a minimum fee, usually around $25-$50 per month.
A merchant must negotiate a discount fee, most of which is an interchange transaction fee, with the acquiring financial institution in order to process debit card transactions, just as they do for credit card transactions. The acquiring financial institution, in turn, pays the interchange transaction fee to the debit card's issuing bank.