The deregistration of shares refers to the reduction of a part of the company's shares in accordance with the issuing procedure. The total write-off of the company's shares only occurs when the company is dissolved. In addition, through the buyback of shares and the merger of the company with the shares of the company, it can also achieve the purpose of the cancellation of shares Economic profits in perfect competition and monopolistic competition market has a special purpose, a positive profit can attract more enterprises to enter the market, increasing competition and push the market equilibrium price low, exclude some enterprises lack of competitiveness in the market, to achieve long-term equilibrium; On the contrary, negative economic profit can eliminate some of the original enterprises in the market, because the supply is reduced, the market equilibrium price will be pushed up, and the long-term equilibrium will be achieved. The result of the two cases is that economic profits disappear from each manufacturer and the manufacturer's total income is at the lowest point of average cost. Generally speaking, the interest rate varies according to the term of measurement, indicating that the method has annual interest rate, monthly interest rate and daily interest rate. The U.S. crude oil inventory unexpectedly fell 5.2 million barrels last week, pushing U.S. oil further higher, noted the zero hedge fund. U.S. crude stocks have declined for five consecutive weeks, while gasoline inventories have increased for five consecutive weeks. If there is a clear indication of an increase in the EIA Cushing crude inventory released on Wednesday (December 20), crude stocks could end the five consecutive decline. Are you thinking of starting your individual business, but concerned with the price? A smart move that will save entrepreneurs money with all the latest technology is working virtually-from the comfort of your own home. When you consider starting your personal home based business, first of all , visit the mind will probably be time savings and money while spending plenty of leisure time with the fam and also the flexibility of earning your own schedule. The market can indeed be described as a laissez-faire pricing mechanism. However, this price mechanism does not operate in a vacuum, and does not work effectively in any social system. The basic premise of the efficient operation of the price mechanism is the implicit assumption of Smith: to recognize individual "lusts" and to clear and protect individual property rights. Clear and guaranteed personal property is the basic premise of market existence. It is necessary to recognize the personal "lusts" and to ensure that individual property rights are supported by the corresponding institutions, which are not in our society. Recently, Apple Inc. announced its astonishing sales record within the Greater China region at US$3.8 billion in latest three-month period, probably leading Apple to surpass the region's pc giant Lenovo Group the first time in a minimum of several years. Let's follow this article and see how amazing Apple's revenue is through the third quarter of 2011.