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.
It currently costs retailers about 12 cents to process a debit card transaction. But they're worried that cost will escalate if companies like Visa and MasterCard enter the debit card business in Canada. ((Bill Sikes/Associated Press)).