In Marketing,the Idea of Exchange Refers to

In marketing,the idea of exchange refers to

A) the negotiation phase between the manufacturer and the seller.
B) the financial remuneration (monetary payment) for a product or service.
C) the trade of things of value between buyer and seller so that each is better off after the trade.
D) the bartering of products and services between nongovernmental organizations or individuals.
E) the practice of swapping products and services for other products and services rather than for money.