my leisure activities Competition refers to the economic subject in order to maintain and expand their own interests and take all sorts of behavior, the behavior of self-protection and expansion efforts in product quality, price and service advantages, varieties, etc. Activity-based costing (ABC) is an effective management technique for assigning and manipulating the overhead costs. Overhead expense analysis and assignment can be achieved more accurate by utilizing ABC methods for a variety of products, for product expenses and profitability analysis and for appropriate distribution and control over the overheads. Canning's 1929 book, economics in accounting, cites the economist's view that asset values are determined by the present value of the future cash flows of assets. Vivekanand International School is found on Street No. 4 in Vishwas Nagar in New Delhi. Vishwas Nagar is amongst the many colonies in Shahadra. Shahadra is an eastern suburb of Delhi. Sometimes people call the full trans-Yamuna region as Shaahdra. Vishwas Nagar is another relatively cleaner and great place to remain for middle to upper middle class families near Shahdra. The colony is found at just 1 km from Shahadara Metro Station. Vishwas Nagar is well-known due to the streets name that is well located. 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.