qual o valor do d¨®lar comercial hoje disappointing because of the best performance of the global economy since the financial crisis. Including ambulances, fire engines, sanitation vehicles, TV and radio cars, airport operations, municipal construction projects, etc. 2. Accounting earnings are based on the assumption of accounting instalments, which refers to the production and operation results of a certain period of time. Early accounting earnings is calculated according to the cash basis, and the modern accounting earnings is according to the classification current income and expenses of accrual basis, after the appropriate ratio calculated. However, the benefits of cash determination are more acceptable to users. It looks like a big box and has doors and Windows, which people call "box cars". It is named "sedan" in the catalog because it looks like the "sedan chair" of the European ladies used for travel and other occasions. 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.