Purchasing groceries using a debit card best exempliﬁes money serving as a

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Using a debit card to purchase groceries is an example of money serving as a medium of exchange, as the card enables the transfer of funds between the cardholder's bank account and the retailer's account. Money as a store of value refers to the ability of money to retain its purchasing power over time, while money as a unit of account refers to the use of money as a standard measure of value for goods and services. Money as an index of satisfaction is not a recognized concept in economics.

Purchasing Groceries Using a Debit Card Best Exempliﬁes Money Serving