Credit Cards Are Considered to Be "Money Substitutes" Instead of Money

Multiple Choice

Credit cards are considered to be "money substitutes" instead of money because

A) they are not acceptable to pay for purchases.
B) they cannot serve as a temporary medium of exchange.
C) the only function of money they can perform is to serve as a store of value.
D) money must eventually be used to pay for the transaction.
E) credit card accounts are not chequable.