profitability of a business (3) monetary benefits -- increase the monetary value of assets. There are both measurable and unquantifiable benefits in these three different forms of income. Among them: mental income is too strong to measure, monetary gain is easy to measure because of the static concept of value change. Economists, therefore, focus only on actual earnings. On the other hand, the surge in yields makes interest rates look more attractive than in developed economies, a situation that has been rare since late 2010: "Austerity has failed and will only continue to undermine our economy in the brexit negotiations," he added. Banks in USA are very different working schedule in comparison to India. In USA Monday through Friday is termed "Business day". This day of Monday is treated as the holiday and is particularly assumed as weekends long events. Rest purchasing in India containing holidays same works together with the USA. There are 10 US national 2010 bank holidays each and every year and so the banks work according them. 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.