Accounts receivable management This table, , shows that Blair Supply had an end-of-year accounts receivable balance of $300,045. The table also shows how much of the receivables balance originated in each of the previous six months. The company had annual sales of $2.40 million and it normally extends 30-day credit terms to its customers. a. Use the year-end total to evaluate the firm's collection system. b. If 70% of the firm's sales occur between July and December, would this affect the validity of your conclusion in part a? Explain. July Month of Amounts receivable origin $3,880 August 2,050 September 34,020 October 15,095 November 52,010 December 192,990 Year-end accounts receivable $300,045