Initially we produced what time, such as Mr. Eko raising chickens. Mr. rice Bea section. Mr. sea vegetables Section 4, Mr. weave, if good people want to eat all the chicken, rice, vegetables, and wanted to get some fabric for clothes that can remove the Exchange that is called a system of continuation (Barter system), but it happened in this match that doesn't have someone just 4 people and it doesn't have to just four, which we may summarize the important issues that will arise in the world of reality is as follows: The first problem is that each person's needs do not match, so the quest search, meet someone's needs we produce, it may take a long time and don't mind art. Problem 2 is that of Exchange must not be kept in the future, such as cloth or rice may be stored for very long, but the people who produce the chicken with vegetables, it inevitably to their production, storage, etc. Issue 3 is then removes the existing Exchange of each other? In the exchange rate, however, to achieve fairness to both sides, so it may have to find something that helps measure the value of the goods.
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