difference between profit and wealth maximization Another element of the market-tracking plan is determining the number of foreign exchange futures markets to track and the number of transactions to be traded within a certain period of time. The concept of accounting income is called accounting income. According to the traditional view, the accounting income refers to the difference between the realized income and the corresponding expenses. It has the following characteristics: The response to single factor value is trend. The tendency is the selection bias produced by the stimulation of the organism on a single environmental factor, which is the directional response form of the organism to the external stimulus, including the two basic forms of orientation and avoidance. The tropism has the tendency of phototropism, thermal tendency, wetness, tendency, and oxygenicity. It has the avoidance of light, heat, moisture, anaerobic and so on. For example, the acidity of paramecium, the thermal tendency of bedbugs and the phototropism of insects. The trend is the common response of low biological cells, biological tissues and protozoa. Tropism is in a series of internal inductance organically combined in a certain direction, to form a structure of ordering, and external single environment factor to form a single reaction, the biological function between the body and the external environment on the coherent function, to accelerate the ordering of the body development. When this series of inductivity is combined in a positive way, the tendency is formed. When this series of induction is combined in reverse, it forms a negative trend - the avoidance. In summary, the trend is the most elementary preordinate response to the external things of single factor value. The withdrawal of shares shall include the two kinds of compensation for recovery and compensation. Free withdrawal refers to the return of shares that have been allocated for free. For example, shareholders voluntarily pay back their allocated shares voluntarily. "Buy" or "buy back" means a limited company shall buy back its shares from its shareholders at a certain price. The company's reduced corporate capital could affect the price of its shares in the market. Therefore, article 143 of the company law stipulates that the company shall not acquire shares in the company. However, the following situations are excluded: (1) reducing the company's registered capital; (2) merger with other companies holding shares of the company; (3) reward the employees of the company; (4) shareholders who have objected to the merger and separation of the company made by the shareholders' general meeting require the company to acquire its shares. Company for reduce the company's registered capital, and hold the company shares of other companies mergers and shares will be awarded to the company worker of acquisition, the company's share capital shall be subject to the resolution of the shareholders' general meeting. After acquiring the shares of the company, the company shall cancel the registered capital of the company within 10 days from the date of the acquisition; Belong to a merger with hold shares in other companies the company and the shareholders for the company merger, division of resolutions of the shareholders' general meeting to dissent, requiring companies to buy the shares, shall transfer or cancellation within 6 months. The company shall not exceed 5% of the total amount of the shares issued by the company for the company's purchase of the shares of the company by awarding the shares to its employees; As regards the financing source of the acquisition, the expenses shall be paid from the after-tax profits of the company; The shares acquired by the company shall be transferred to the staff within one year. Flash memory and DRAM demand growth over the long term Then the interest rate theory of the loan is the interest rate theory of neoclassical school, which is proposed to correct Keynes's theory of "liquidity preference". In some ways, the theory of interest rate can be regarded as a synthesis of classical interest rate theory and Keynesian theory.