tesco net profit 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. Securities companies that need to invest in securities should apply for the corresponding investment financial accounts. Account can be used in financial investment in stocks (including A shares, B shares and H shares, etc.), bonds (including Treasury bonds, corporate bonds, corporate bonds, etc.), futures (including financial futures, such as stock index futures, foreign exchange futures, commodities such as metal futures, futures of agricultural products, etc.) and so on A series of financial instruments to invest in securities. The opening of the securities account can be handled by the business department of the securities companies and it needs to be handled within the trading day. Some securities companies such as guotai junan securities through the provinces website (e.g., guotai junan guangdong) online booking, through the appointment of account opening time is more flexible and corresponding work time, lunch time, daily can open an account on Saturday. Medium small Springall said: "this will be a long time before fully recover energy saving market also so if savers, waiting for a long time, they may eventually in some we saw in more than a year the most preferential price missed." Currently, varied businesses are developing and booming on their own track. The idea that the priority of making profit precedes everything in businesses, has incited the reproach and criticism from the societies. As for me, I disagreed with this point of view as well, since the obsession on profits does damage to other things that a company request.