Credit Card Transaction Fee Formula (Net Effective Rate)

Use the Net Effective Rate formula shown below:

Total credit card processing Fees from the merchant statement/Total processing Volume from the same merchant statement the fees were * 100 = Net Effective Rate

SIMPLIFIED: Total C/C Processing Fees/Total C/C Processing Sales * 100= Net Effective Rate

The Net Effective Rate (NER) is simply the average percentage to accept a credit or debit card. The NER includes all fees, interchange, assessments, pin debit network fees, processor fees.

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