parties are involved. In more complex exchanges, however, a series of product transfers may occur, in which a single party may be both a buyer and a seller within the framework of a single complex exchange.
2. Each party buyer and seller must have something which could be of value to the other. It is a valid marketing transaction, when two parties exchange goods as an example, 100 pounds of cocoa beans could be exchanged for four barrels of crude oil. It is an equally valid marketing transaction, however, when the 100 pounds of cocoa beans are exchanged for $80. In each of these examples, for a valid marketing exchange to exist, the item transferred must be capable of having value to the receiving party.
3. Each party to the transaction must be capable of communicating with the other. Obviously, the cocoa bean/crude oil exchange could not occur, unless each party was capable of communicating to the other the facts that the goods ex
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