Customers who pay for their purchases by card are less likely to remember the precise amount paid

http://ift.tt/eA8V8J The transparency of spending money depends on the mode of payment used: cash, single-function cards that offer only a payment function, or multifunctional cards which may also include bonus programs, user identification or other functions. A recent study has shown that the recall accuracy associated with the act of paying is lower for both card formats than it is for cash transactions.

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