profit before tax Originally conceived by Israeli security to screen potential terrorists crossing the country's borders, Trustier could just as easily be used in the house or office, as outlined by its developers. Businesses that are inclined to telephone fraud have been proved to get Links Of London Jewelry especially interested -- banks, security types and financial investigators. Before that, what is the nature of the enterprise itself is an issue that has been ignored by traditional microeconomic theory. In the traditional microeconomic theory, is the manufacturer's production process as a "black box", namely enterprise is abstracted into a from input to output a "black box" of the pursuit of profit maximization. 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: The market is the economic contact method which is the basic content of Commodity Exchange. Under the condition of commodity economy, the premise of exchange generation and existence is social division of labor and commodity production. Because of the social division of labor, the different producers, respectively, engaged in the production of different products, did not meet the needs of themselves and others and exchange their respective product, so that the general labor products into commodities, make the product production is transformed into commodity production. It is under this condition that the market for goods to be exchanged to meet the needs of different producers is born. Therefore, the market is the product of the division of labor and the exchange of goods under the conditions of commodity economy. The market and commodity economy have inalienable internal relation. Cretelli denied that foreclosures are imminent but he admitted that many of the units were being returned for the lenders via 'negotiated resolutions and settlements'. Speaking to The Des Moines Register he explained, 'It's a continuous type process, but I think the reality is that we have started to resolution voluntarily with everybody, and, it's going to be better for all parties concerned, 's what it amounts to'.