Given the willingness to meet its needs, a person tries to achieve the maximum result with minimal effort or expense, this way of treating calls the principle of the economy, it is necessary to act on this principle for the person who affected by each particular engagement. Therefore, an economy is the science of studying human behavior and relation with the material objects that it needs to be found free in nature. The study of the economy must allow understanding, expression and, to some extent, predict human economic behavior. This study should help to improve the personal and social welfare of mankind; therefore, it can be argued that the economy, first of all, deals with the analysis and explanation of the conditions and relations that exist within the realm of material welfare. And economics, unlike natural science, is not pure science. But also a set of principles and rules that are influenced by the will of mankind. This training course is equal to 50 training hours.