Deacon Co. reported annual net sales for 2007 and 2008 of \($665,000\) and \($747,000\), respectively. Its year-end balances of accounts receivable follow: December 31, 2007, \($61,000\) ; and December 31, 2008, \($93,000\).

(a) Calculate its days’ sales uncollected at the end of each year.

(b) Evaluate and comment on any changes in the amount of liquid assets tied up in receivables.