The international monetary fund welcomes the progress of Brexit, but warns that the timetable is ambitious - corporate life The accounting income follows the historical cost principle and the matching principle, which is conducive to the objective reflection of the business management responsibility of the enterprise management authorities. But, due to the historical cost principle inherent defects, especially according to the present value of revenue and expenses by historical cost line, makes the calculation of accounting earnings lack of inner logical unity, and the matching principle is difficult to carry out, so that the book value of assets can not reflect its real value, cost cannot be fully compensated. And the economic benefit is measured in the current value, which reflects the actual value of the asset, which is beneficial to the full compensation of the cost. Propagating the value proposition of the public chain to new participants - redefining "profit" to cover economic and social value. We should improve the market supervision system of administrative law enforcement, industry self-discipline, public opinion supervision and mass participation. Although a lot of people have taunted on her behalf tall and skinny stature, but Ana Ward's figure is surely an advantage inside modeling world. In fact, the impossibly thin and freaky-looking girl has entered the Cycle 15 of America's Next Top Model. After defeating 22-year-old Chelsea Hersley for being the newest "Top Model", Ann said, “I\'m so honored at this time. All those surveys are about being too tall or just being not normal”. 5. Purpose. The goals set by any organization or individual are to facilitate the realization of the organization's overall objectives and the realization of certain period goals.