As hicks income concept did not specify what is called "equal wealth", and thus the income concept formed the basis of many debates concept, and the theory of accounting earnings, especially the capital preservation theory has a great influence. In accounting, people used to call "maintaining the same level of affluence" as capital preservation. Activity-based costing (ABC) is an effective management technique for assigning and manipulating the overhead costs. Overhead expense analysis and assignment can be achieved more accurate by utilizing ABC methods for a variety of products, for product expenses and profitability analysis and for appropriate distribution and control over the overheads. The other part of the republican strategy (known as "starve the beast") tax cut higher deficits will be used to fight for the so-called entitlement spending cuts, such as medicare, medicaid, food stamps and social security. Again, this is a risky proposition because the elderly, the middle class and the low-income americans depend heavily on these programs. Yes, the working and non-working poor, who get welfare or food stamps, include minorities who tend to vote for the Democratic Party. But the millions of blue-collar, socially conservative whites who voted for Mr Trump relied on these and similar schemes. Today, being in the blockchain is like engaging in more grandiose and socially valuable activities. That is why blockchain is emerging, many of which are sold out, and for many, the line between personal and professional interests is becoming blurred.