revenue cost profit functions What about Mobile Internet Banking? Is Mobile Internet Banking also safe? Actually mobile internet banking is using the identical security because normal internet banking. The only different is that mobile internet banking users are logging inside their account using their mobile devices as opposed to normal PC. Unfortunately, this is how the chance could originate from. Market is the inevitable product of the division of labor and the development of commodity economy. At the same time, the market also promotes the social division of labor and the further development of commodity economy during its development and expansion. The market through information feedback directly affects the production of people, how much production, and the market time, product sales status, etc.; Middle link commodity economy development process, supply and sale, the parties to provide production, supply and sale parties exchange places and other exchange, exchange time, to realize the commodity producers, operators and consumers their own economic interests. The bank of England says Britain is a European banker, and the imf welcomes the progress of Brexit - and that's what happened Britain has a long history of motor vehicle development, and the world's leading enterprises, universities, motor racing industry and autonomous projects have the strength to realize the transformation and development. Professional knowledge and forward-looking thinking are the unique advantages of developing core automotive technology in the UK. Then the interest rate theory of the loan is the interest rate theory of neoclassical school, which is proposed to correct Keynes's theory of "liquidity preference". In some ways, the theory of interest rate can be regarded as a synthesis of classical interest rate theory and Keynesian theory.