for profit blood donation centers "Austerity has failed and will only continue to undermine our economy in the brexit negotiations," he added. It is also worth noting that in 1985, the financial accounting standards board released the concept of income from the concept framework (SFAC)NO. 6. In 1989, the international accounting standards board's framework for preparing and providing financial statements made clear that benefits also included unrealized gains. In 1997, FASB's FASB N0.130 required a full return; In 1998, IASC's IAS NO.1 required the preparation of an equity change table, a comprehensive income statement, including the benefit of reflecting corporate assets. Tubes in today's world is filled with harmony and polarization phenomenon, but still people are eager to build a better future, enable people to realize self-management, and supporting the social institutions really serve the people. Is one of the more common usage refers to various enterprises independent, non-profit organization (can be legal person, also can not), and can be further divided into companies and enterprises, the latter such as partnerships, sole proprietorship enterprise, individual industrial and commercial households, etc. At present, about the nature of the enterprise. Western economists have different views. There is also some debate. Some western economists analyze the nature of the enterprise mainly from the perspective of transaction costs that coase emphasizes. Diversification of securities, the establishment of a scientific and effective portfolio of securities; To exit a lost transaction, the most effective procedure is to issue a "stop loss order". Of course, the only way to do this is by the trader's idea of how much he's willing to lose. If he has set an acceptable level of loss before entering the trade, the only thing he can do is to issue a "stop loss order" once the market has reached that point.