Economic-statement question----thank you?

Question

Which of the following statements is false?

Money is the only good that can or does serve as a store of value.

In a barter economy, there is no good that serves as a unit of account.

There are higher transaction costs of making exchanges in a barter economy than in a money economy.

Money functions as a medium of exchange, unit of account, and store of value.

Answer 1

a) Money is the only good that can or does serve as a store of value.