Therefore, in practice, even though we will not be able to lay down the law about the perfect amount, but in a different version of the law, the law has authority in this matter should be more interested in the factors is a significant element within the environment of the country in which the legal issue that must be valid both in the political, economic and social, to make laws concerning finance and finance can be a tool. In the financial policy of the country's powerful financial effectiveness. Contribute to achieving the country's economic growth in the long run.