Debit cards are subject to the durbin amendment (https://en.wikipedia.org/wiki/Durbin_amendment https://en.wikipedia.org/wiki/Durbin_amendment) so the fee for t

Debit cards are subject to the durbin amendment (https://en.wikipedia.org/wiki/Durbin_amendment https://en.wikipedia.org/wiki/Durbin_amendment) so the fee for these micropayments is $0.21, or $0.22 rounded up. Debit cards have percentage fees formed on the basis of points, or ten thousands of a percentage.