The conversion of commodity value into cost price + profit (k+p) includes the possibility of deviation from the residual value. Because profits for more than the balance of cost price, and the cost price is less than the goods value, it provides the individual capitalists in cost price above and below the value of the possibility of selling goods, so that to achieve the profit with the goods actually contains surplus value does not agree in number. The capitalist makes use of the difference between the value of the commodity and the cost price, as a driving force in the market competition. As the competition between different production department and the free flow of capital, make different special margin balance into average profit margins or average profit margins, so that the profits further into average profit, realize the amount of capital to achieve the same amount of profit. In the usual case, the average profit and the surplus value are inconsistent in quantity. The average profit is proportionately proportional to the total amount of capital in advance and not the amount of live labor that is governed by individual capital. This and make an objective truth, essentially profits is the product of capital, it is nothing to do with labor, in this way, capital on the relationship between the wage labor to make money and to be make, will be further. Data shows, Ziddu COINS contract is a kind of intelligence, currencies, such as COINS and etheric lane, make customer Ziddu COINS can be transformed to the currency or the etheric, and putting the proceeds for working capital needs. Small and medium-sized enterprises, processors, manufacturers, importers and exporters can through this contract form in each big market using encryption currency, earnings at the end of the contract, and through an encrypted monetary capital, interest rates will range from 12% to 48%. Hybrid car In terms of the purchase of intermediate products in the market, because a lot of manufacturers are generally buy goods from a handful of suppliers, it is beneficial to this a few suppliers to achieve economies of scale and reduce the cost of production. Moreover, market competition pressure between intermediate product suppliers forces suppliers to reduce production costs. In addition, when a few suppliers in the face of many intermediate products of demanders, these a few suppliers can be avoided due to the limited market demand caused by unstable, the loss that may lead to maintain a stable overall sales. 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. Economist lynde hull explained that the benefits of capital in different periods of time would be interest. According to linde hull, interest in a specific period and the difference between the expected consumption is savings (during the period of the growth of capital), and returns the sum of consumption and savings are given period of time.