oil reset com A CBI survey of 109 companies this month found that online sales of black Friday and cyber Monday were "unremarkable". Last year, labour market economist John Philpott found that more than one in five workers, around 7.1 million people, were in precarious employment, up from 5.3 million in 2006. The accounting income maintains the financial capital preservation, namely, the monetary value that only requires the owner to invest is not eroded, the enterprise income exceeds the input value part is the accounting income. Accounting focuses on reporting financial results. The economic benefits insist on physical capital preservation, which can only be confirmed when the actual production capacity of the owner is saved. It is believed that only by maintaining the actual production capacity of the enterprise can the enterprise reproduce smoothly. Physical capital preservation is more meaningful than the income of financial capital preservation, but it is difficult to measure.