eureka oil Banks in USA vary working schedule than in India. In USA Monday through Friday is recognized as "Business day". This day of Monday is treated since the holiday which is assumed as weekends long events. Rest purchasing in India which includes holidays same works together with the USA. There are 10 US national 2010 bank holidays each year so the banks work according them. 7. Efficiency. The efficiency of the plan mainly refers to the time and economy. The accounting income follows the historical cost principle and the matching principle, which is conducive to the objective reflection of the business management responsibility of the enterprise management authorities. But, due to the historical cost principle inherent defects, especially according to the present value of revenue and expenses by historical cost line, makes the calculation of accounting earnings lack of inner logical unity, and the matching principle is difficult to carry out, so that the book value of assets can not reflect its real value, cost cannot be fully compensated. And the economic benefit is measured in the current value, which reflects the actual value of the asset, which is beneficial to the full compensation of the cost. A CBI survey of 109 companies this month found that online sales of black Friday and cyber Monday were "unremarkable".