The Major Advantage of Using Money Rather Than Barter Is

The major advantage of using money rather than barter is that

A) in the barter system there is no way to express values of commodities.
B) money is the only convenient way to store one's wealth.
C) money has more value than real goods.
D) money stays where you put it,whereas a cow often has to be fenced in.
E) the use of money significantly reduces transactions costs.