3.5 Affect enterprises’ normal business periodBusiness period refers to a process in which enterprises take the stock in, sale them, and take cash back. The lengthof business period is determined by the turnover of the stock and the turn over of accounts receivable. The businessperiod is the sum of the two turnovers. The irrational existence of accounts receivable extends the business periodand affect enterprises’ capital circulation. Amounts of capitals are occupied by non-production ring. Enterprises may confront with a shortage of capitals, what will affect the salaries of employees and the purchase of material, harmingenterprises’ normal production and operation.