Which of the Following Is a True Statement

Multiple Choice

Which of the following is a true statement?

A) The conversion of a barter economy to one that uses money increases efficiency by increasing the cost of exchange.
B) The conversion of a barter economy to one that uses money increases efficiency by increasing the cost to those who wish to specialize.
C) The conversion of a barter economy to one that uses money increases efficiency by reducing transactions costs.
D) The conversion of a barter economy to one that uses money does not increases efficiency.