assumption of cost volume profit analysis The American petroleum institute (API) released data showing a decline in U.S. crude oil and refined refining inventories, while gasoline inventories rose. In 1946, the famous British economist J.R. hicks, in value and capital, developed the concept of income into a general concept of economic gain. He argues that the real purpose of computing revenues is to make people aware of the amount of money they can spend without making them poorer. Accordingly, he gave a generally accepted definition of "the maximum amount of consumption that a person can spend at the end of the term, at the same level of prosperity". Hicks's definition, though primarily for personal gain, applies to businesses as well. In the case of the enterprise, according to this definition, the enterprise income can be understood as the maximum amount that can be allocated in the enterprise cost accounting period under the same amount of capital at the end of the term and the beginning of the period. When the economy overheats and inflation rises, interest rates are raised and credit tightened. When the overheated economy and inflation are under control, the interest rate is duly lowered. Interest rates are therefore one of the fundamental economic factors. Interest rates are an important financial variable in economics, and almost all financial phenomena and financial assets have more or less connection with interest rates. But to increase political accountability and to sacrifice the independence of the central bank is to throw the baby out of the bath. Monetary policy is complex and technical. Handing control to politicians is more prudent than handing over keys to the country's nuclear power plants. Replacing hardwood windows with aluminium took careful consideration, but the PURe® System looks fantastic and from a performance perspective, it has considerably surpassed my expectations. In fact we now intend to replace all of the windows in the house with PURe® windows!” “Agency workers deserve to be paid the same as employees if they’re doing the same job, so the government should look to close the loophole that allows agency workers to sign away their right to equal pay.