Question

What is barter?

Answer 1

The answer you're looking for is D, The direct exchange of one set of goods or services for another

Answer 2

The correct option is D.
In a barter system, goods and services are exchanged for other goods and services without making use of any medium of exchange such as money. For instance, five big tubers of yam may be exchange for a chicken, if the exchange condition is acceptable to the contracting party. The exchange typically take place immediately and not on a future date.