for most firms economic profit is Philip Hammond has been trying to persuade conservatives that tax increases and spending cuts are needed to reduce the deficit. 3. The cost of accounting earnings is listed in historical cost. Due to the current accounting practice in the enterprise asset is measured at the historical cost in, with the cost nature is the historical cost has been derived from the law of the transfer, so as to determine the income is an important factor in the cost and the historical cost. Mr Trump also abandoned his trade base, where he made rhetoric rather than concrete action. Yes, he abandoned the trans-pacific partnership (TPP), but Hillary Clinton would do the same. He had thought about dropping the north American free trade law (Nafta), but that could be just a negotiating tactic. He threatened to impose a 50 per cent tariff on goods from China, Mexico and other us trading partners, but failed to do so. The proposal for border adjustment taxes was almost forgotten. Attract capital and people Historical costs differ from current values 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.