What Is the Biggest Disadvantage of a Barter System Compared

Multiple Choice

What is the biggest disadvantage of a barter system compared to a system that uses money?

A) It is difficult to find goods to trade in a barter system that satisfy the needs of society.
B) A standardized unit of account cannot exist in a barter system.
C) All commodities are difficult to transport and therefore inefficient for exchange.
D) Each trade requires a double coincidence of wants.
E) Commodities are difficult to use as a store of value.