Hi, in the past people had specific job for example one person plant and harvest wheat but other one has different material, but they need some of other materials so that they could exchange material. So they prepared what they need by exchanging, but gradually for making marketing easier and more sufficient they prepared money. And the money born. Now a day we for buying almost everything pay money and each country has its own currency which has different values. This is a video about the value of money. Let's watch the video to learn more about the value of money.