In modern economies, credit cards are a unit of account because of their wide acceptance as a method of payment for both goods and services.
Money includes currency and demand deposits but not checks, credit cards, or debit cards. This is because cash and bank deposits are assets of their owner, as opposed to checks or credit/debit cards, which are not. even though it is not a means of exchange, transactions.
A credit card is a payment card that is given to customers so they can pay a merchant for products and services based on the debt they have accumulated.
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