Which of the following pairs is most likely to represent substitute goods?

Which of the following serves as the central bank for the United States?

A) the Federal Deposit Insurance Corporation B) the U.S. Treasury Department C) the Federal Reserve System D) the World Bank

When economists refer to the role of money as a unit of account, they mean that

A) most accounting systems reflect that goods are purchased with currency. B) most accounting systems reflect that goods are purchased with checks. C) money gives traders a way of measuring value in the economy. D) money makes it possible for specialization to take place.