In what way is a barter system inefficient relative to money? O Buyers and sellers frequently do not share a double coincidence of wants. There is unanticipated inflation in the money system, which increases a buyer's purchasing power. O It is not possible to determine the quality of the goods being exchanged in a barter system. In barter transactions the gains from trade for buyers come at the expense of an equivalent loss from trade for sellers. 1 pts Question 4 U What is the "unit of account" function of money? To provide a common measurement of the relative value of different goods and services The ability of money to hold value over time. That the materials used to manufacture money are of medium grade or poor quality, so that people will not hoard money for its value as a commodity. O That money is generally acceptable in exchange for goods and services