Perform a trend analysis on Tarrant's sales revenue, inventory, and receivables over the. Past three years, using 2015 as the base.The days sales outstanding (DSO) calculation provides you with vital financial information. Learn how to compute and improve your numbers. How to calculate your average days delinquent and use that data to help speed up payments and strengthen your collections policy. This report consists of management's representations concerning the finances of the County. Cash Flow Insights: Net Credit Sales directly impact a company's cash flow. Learn about the meaning of days sales in accounts receivable (AR). Computing Days Sales in Receivables. In the latter option, the customer has more time post-purchase to actually complete the payment obligation in cash.