Pat earns $1,000 per week and spends $850 per week on living expenses, puts $50 in a savings account, and buys $100 worth of shares in a stock mutual fund. Pat's saving is ________, and Pat's saving rate is ________.

When you join the local organic food market and then buy produce each month, money is used as

A) only a store of value. B) only a unit of account. C) a medium of exchange and a store of value. D) a medium of exchange and a unit of account. E) a store of value and a unit of account.

If the nominal exchange rate between the U.S. dollar and the Thai baht (baht per dollar) is lower than the relative purchasing power between the two countries, which of the following would be true?

A) Purchasing power parity predicts that the value of the dollar will fall as traders take advantage of profit opportunities. B) Purchasing power parity predicts that the baht is undervalued as traders take advantage of profit opportunities. C) There are opportunities for profit by purchasing goods in the United States and selling them in Thailand. D) There are no opportunities for profit by purchasing goods in one country and selling them in the other.