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. First, choose a trading option. Trading options are eclectic, consulting, researching, or following acquaintances, all of which are ways to select specific trading items. Which method is better because of the difference between man and man. Of course, there are some basic references. For example, the method of trading selection should be based on theory. If some of the basic concepts contained in some method are unreasonable, then this method is undesirable. Second, trading options should tell traders to capture market signals. In the end, this approach should provide some sort of realistic approach to trading people out of trading, rather than cajole traders into doing some sort of trade with their capital. 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. 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 Despite the exploitation of labor force, selling unqualified products is an illegal method to make profits. /Regardless of falling short for standard, some firms have falsified products with rude and coarse ingredient. What's more, they immorally and intentionally manufacture products by damaging human body. /For instance, Sanlu, Chinese dairy company, is notorious for the excessive amount of detrimental ingredients in milk instead of nutritional ones. Numerous cases of severe damage to babies have boiled the whole country into anger. The Sanlu transformed from high-profit to breakdown overnight. The success depending on the fraud on products will collapse sooner or later. 7. Efficiency. The efficiency of the plan mainly refers to the time and economy.