profit cost analysis The difference between financial capital preservation and physical capital preservation No matter what happens, Mr Trump will continue his frantic campaign to sell information, promote fake news and boast of the "biggest and best" economy of all time. In doing so, he could even create a circus worthy of the Roman emperor. But if the use of advanced words is not enough, he may decide to attack, especially internationally. This could mean a real withdrawal from nafta, trade action against China and other trading partners, or a more stringent immigration policy. Modern economy, the interest rate as the price of money, not only restricted by many factors in the economic and social, and changes in interest rates to have a great impact on the economy as a whole, as a result, modern economists are studying the interest rate decision problem, pay special attention to the relationship between the variables and the balance of the economy as a whole, the interest rate decision theory has experienced the classical interest rate theory, Keynes's interest theory, interest rate in loanable funds theory and is-lm analysis as well as the contemporary evolution of dynamic interest rate model, the development process. To avoid huge core technology in the form with the original electronic chemical materials business competition, the company also announced the proposed wholly owned subsidiary of zhejiang KaiSheng fluorine chemical 100% equity and zhejiang borui electronic science and technology of 100% equity as a target for public stock transfer, the listed price is RMB 940 million. And originally borui company and responsible for implementing the 2016 KaiSheng non-public stock high purity electronic gas project (phase 1, 2), and fluoride special gas project will be sold with borui company equity transfer at the same time, the company will the three offering investment project has been used and the rest of the fund-raising (through borui back after the company equity transfer and interest) added $1.09 billion permanent JuHua stock liquidity. 7. Efficiency. The efficiency of the plan mainly refers to the time and economy.