Carmack Company has credit sales of $2.6 million for year 2011. On December 31, 2011, the company's Allowance for Doubtful Accounts has an unadjusted credit balance of $13,400. Carmack prepares a schedule of its December 31, 2011, accounts receivable by age. On the basis of past experience, it estimates the percent of receivables in each age category that will become uncollectible. This information is summarized here.

December 31, 2011
Accounts Receivable Age of
Expected Percent Uncollectible
$ 730,000 Not yet due 1.25 %
354,000 1 to 30 days past due 2.00
76,000 31 to 60 days past due 6.50
48,000 61 to 90 days past due 32.75
12,000 Over 90 days past due 68.00