A bank with $100 million in deposits has $15 million of cash in the bank, $10 million in deposits with the Fed, and $15 million in government securities in its vault. Its total reserves equal

When money is used to express the value of goods and services, it is functioning as a

A) medium of exchange. B) store of value. C) store of purchasing power. D) unit of account.

_______________is a type of cost-benefit decision making that compares the extra benefits to the extra cost of an action.

Fill in the blank(s) with the appropriate word(s).