Answer:
The answer is option A.
Step-by-step explanation:
Exchange includes the exchange of merchandise or administrations starting with one individual or substance then onto the next, regularly in return for cash. A framework or system that permits exchange is known as a market. An early type of exchange, deal, saw the immediate trade of merchandise and ventures for different products and services.An case of exchange is the tea exchange where tea is transported in from China and bought in the US. A case of exchange is the point at which you work in deals. A case of exchange is the demonstration of trading one thing for another or one thing for cash.