The 10% Rule specifically suggests that if 10% or more of a customer's receivables are significantly overdue, all receivables from that customer may be considered high-risk.
Days Sales Outstanding (DSO) It's calculated by dividing 365 by the receivables turnover ratio. If the turnover ratio is 10, the DSO would be 36.5, indicating that the company has 36.5 days of outstanding receivables.
Average accounts receivable is calculated as the sum of starting and ending receivables over a set period of time (generally monthly, quarterly or annually), divided by two.