In his theory, money supply is controlled by the central bank and is an exogenous variable with no interest rate elasticity. At this point, monetary demand depends on people's psychological "liquidity preference". "If there is no allow most of the European Union oriented financial services agreement, the financial sector accounts for about 7% of GDP, but about 10% of tax revenue and 14% of the exports, may be affected by the special Britain will stay there," the report said. Profit is not only the same in quality, but also the essence of profit. Profit is the form of corporate profit, and is also equal in quantity. The difference in profit is that for variable capital, profit is for all costs. Once earnings into profits, therefore, the origin of profits and material production is made it is a reflection of the "(" the complete works of Marx and Engels in volume 25, page 56), and thus has the various forms of money. In capitalist society, the essence of profit is: it is the product of capital, it has nothing to do with labor. Modeling thus far can be a fast moving business along with competitive and this means that it's suppose to be taken being a fulltime job. Agencies are suppose to conduct their business 24 hrs to be able to manage to handle emergencies like cancellations and rush jobs. Besides that agencies usually use booking departments to become able to keep a count clients who hire models. Most of these agencies are very well furnished with a phone, that's manned on the job that the client is visiting. In order to overcome the rear overreach of the ship's car, a strong air eddy effect was created when the car was traveling at high speed, and people developed fish shaped cars like the back of a fish. In 1952, general motors' buick sedan ushered in the era of fish cars. In terms of the shape of the car's back, a fish-type car is similar to a beetle. But as observed carefully, will find fish type car back and ground into the Angle is small, the tail is longer, around the body of the air flow is relatively easier, so vortex flow resistance is also relatively small. Wedge car Read, and strive to let the car can satisfy various age, all kinds of class from the appearance, even the different needs of various cultural background, make cars become true science and art of combining the best image, finally to achieve the most perfect state. The market is the condition that Commodity Exchange is carried out smoothly, it is commodity circulation domain all Commodity Exchange activity total. The market system is made up of all kinds of professional market, such as goods and services market, financial market, labor market, technology market, information market, the real estate market, cultural market, a complete system of tourism market, etc. At the same time, each professional market in the market system has its special functions, which are interdependent and mutually restricted, and work together in the social economy.