firm profit maximization Ford motor co., in 1915, produced a car that was different from a horse model Historical costs differ from current values He said he believes "this is really a long-term trend in pushing for continued use of memory and storage." The enterprise culture is the soul of the enterprise, which is the inexhaustible driving force for the development of the enterprise. It contains very rich content, and its core is the spirit and values of the enterprise. The values here are not the cultural phenomena in enterprise management, but the values held by employees in enterprises or enterprises in the production and operation of commodities. At the same time, because of the surplus value for money is the commodity that only appeared well after the completion of the production process, it is further considered capitalists in order to produce goods all prepaid capital input by the capital employed are not included in the cost price (including those fixed capital). Not only that, the flow of goods from the production process into the process, in order to engage in sales activities to additional capital (including pure circulation costs), therefore, the residual value is considered to be not only all capital in advance in the field of production, but also be regarded as include all of the advance in the field of production and circulation of capital brought together. Enterprise due to withdraw, and transfer or liquidation disposal of equity investment and equity investment losses, can be in pre-tax deduction, but the deduction of each tax year equity investment losses, shall not exceed the implementation of equity investment income and transfer income, more than part can be to a tax year after deduction carry forward indefinitely. Recently, virgin brought an app, from closing, that caused problems. When I first booked two invoices with it, the fare was 20 pounds, not 17 pounds. I asked virgin about it on social media.