Answer:
barter
Explanation:
Barter system -
In this type of system , there us exchange of goods and commodities , without the use of any monetary value like money , is referred to as barter system .
When money system was not introduced , barter system was used , where people used to exchange the goods depending on the needs of each other .
Barter system is based on the bilateral basis.
Hence , from the given scenario of the question,
The correct term is barter.
