nursing non profit organizations Under the theoretical framework of the theory, the theory of commodity market equilibrium and the monetary market equilibrium of Keynesian theory are unified. Marx's theory of interest rate decisions from the perspective of the source and essence of interest, taking into account the institutional factors in the role of interest rate decisions of interest theory, its theoretical core is the interest rate is determined by the average profit margin. Marx believed that under capitalism, interest is a part of profit and a form of conversion of surplus value. 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. If interest rates rise in some currencies, interest gains on the currency will increase, attracting investors to buy the currency, so it is good for the currency. If interest rates fall, the gains from holding the currency will diminish, and the appeal of that currency will weaken. So you could say, "interest rate rises, strong currencies; Interest rates fall and currencies weaken. 5. Purpose. The goals set by any organization or individual are to facilitate the realization of the organization's overall objectives and the realization of certain period goals. Another element of the market-tracking plan is determining the number of foreign exchange futures markets to track and the number of transactions to be traded within a certain period of time.