How is using money related to bartering

Money is a replacement or substitute for bartering.

Explanation:

Bartering refers to the exchange of goods and services for another goods and services without exchanging money. It is a form of fair trade because individuals get the goods they want in an even amount to what they are offering in exchange.

Money serves as a medium of exchange for goods and services. It is used in facilitating transactions between people. It serves as a store of value because it can be stored and retrieved. It does not depreciate and it a common measure of value of goods and service being exchange. It helps the suppliers and consumers to know the price of a good in terms of money and how much of a good is to be supplied and purchased.

answer/// real gdp decreases to y3 and the price level falls to p3;