But the DRAM and NAND semiconductor industries have gone from boom to bust in the face of rising prices and the abundance of falling prices. Will it be any different this time? Or is the need for mobile device memory and disk replacement sufficient to continue to delay the abundance until the foreseeable future? Historically, the concept of income has first appeared in economics. Adam Smith, in the wealth of nations, defined income as "the amount of consumption that is not eroded by capital", and saw it as an increase in wealth. Later, most economists inherited and developed this view. 1890, ai (Alfred Marshall Maarshell) in its "the principles of economics," the Adam Smith's "wealth increase" enterprise, introduced the concept of earnings, is proposed to distinguish the entity capital and value-added benefits of economic benefits. It is thought that this evil spirits sent by Kansa did not reach your goals in their attempts in killing little Krishna. Krishna, in his childhood defeated the snake which attemptedto eliminating the people and cows of Vrindavan through poisoning Yamuna. Krishna sprang from the branch of Kadamba tree on Kaaliya's head and performed dance and defeated him. The concept of accounting income is called accounting income. According to the traditional view, the accounting income refers to the difference between the realized income and the corresponding expenses. It has the following characteristics: Moment of torque The popular programme, which has been running since 2011, and regularly draws audiences in excess of 4m, sees a team of home improvement experts led by Alan Titchmarsh transform properties for deserving families in difficult circumstances. 1. The amount of the shares, the capital of the company is divided into shares, and the amount of each share is the same, that is, the shares are a reflection of certain value and can be measured in currency;