Deacon Co. reported annual net sales for 2010 and 2011 of $565,000 and $647,000, respectively. Its yearend balances of accounts receivable follow: December 31, 2010, $51,000; and December 31, 2011, $83,000.
(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.