It depends on the acquirer. Acquirers determine the price. Today there is zero interchange on Interac transactions, but there still is a cost obviously to the merchants for us to process. In the case of Visa debit, the electronic interchange rates--so when the card is there--is five cents plus 25 basis points. So that is an increased cost for the merchant. But the acquirer still needs to charge for all of its other costs, so it will be north of that particular transaction amount.
On May 26th, 2009. See this statement in context.