Answer:
The correct answer is: medium of exchange.
Explanation:
The medium of exchange function of money that helps the society in gaining the benefits of geographic and labor specialization.
The medium of exchange function means that money is an asset that is widely accepted as a medium of exchange in the transactions involving the exchange of goods and services.
The medium of exchange function of money eliminates the need for double coincidence of wants. Thus helps in labor and geographic specialization.
