conrad's oil change Surplus value is created by employing workers in the process of direct production, but it must be transferred to the currency before it can be realized. Whether or not the goods can be sold and sold at what price, profits can be achieved and how much they can be achieved will depend on the specific conditions of supply and demand and market competition. In particular, capital goods of retrieval from the industry capital movement become the commercial capital, specific implementation of commodity value and surplus value function, and accordingly obtain business profits, make the relationship more complicated and more likely to cause mystification. In the process of circulation, some factors restricting the production process, or with, or to the conflict between capital and labor, into between capital and capital, pure relationship between buyers and sellers, and so on, all this will cover the production process with the difference between the circulation process, it is easier to put the cost price as the intrinsic value of the real goods, consider profit higher than the result of the sale of commodity value, the surplus value and commodity value contained in the implementation, in the process of circulation has been reversed expression is created from the sale. Because, the original business profits are exploited by industrial capital in the process of production to the part of the surplus value of transformation of form, but is considered in the process of circulation through the buy low sell high, produce, or paid by consumers upon. And class relations are distorted, business profits are reflect the commercial capitalist through industrial capitalists to hire laborers, the relationship between exploitation and exploitation were buried, and distortion of between capitalist and capitalist and capitalist with pure commodity trading relationship between the consumers. Because economists understand earnings as actual material wealth increase, accounting experts think the output value of more than the difference between the input value is profits, there is a contradiction and two kinds of income concept. The specific performance is: Jstor: Jstor features a tremendous extent of scholastic diaries filtered into its databases, about-facing numerous years to give for your requirements the particular best research in humanities, sciences and numerous different controls. To get to Jstor you should be on your own college organize, or logged in remotely into it with whether staff or scholar ID. Followed by Edwards and bear published in his 1961 book "the theory of corporate earnings and measurement of the current operating profit is defined as the sales revenue more than the amount of current production and cost of sales, which can realize the cost savings is in this issue of asset price increases, which can realize the history of the cost savings are the pin commodity costs and the difference between the current purchase price; The realized capital gains are the amount of sales revenue greater than the historical cost when dealing with long-term assets. They argue that "these incremental sums provide investors with a reasonable starting point for measuring the scale of relative affluence and a detailed analysis of the company's operating results and comparable financial conditions". They stress that any full income analysis should take into account both realized and unrealized benefits and classify them by source. When are advantageous to occur, such as no record, will not only lead to current income can't reflect, but also can lead to later to sell assets to income and related costs to wrong ratio; Operating earnings and, on the other hand, the production gains is usually produced by different management decisions, and adopted different circulation form, therefore, make the same comment on both, will weaken the role of the income statement. In 2017, the flash capacity of each server will be 2.5 terabytes, which will reach 8TB by 2021, and the average DRAM capacity of every server in 2017 will be 145GB, which will grow to 350GB by 2021.