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Given Data: \begin{tabular}{|r|c|r|} \hline December31,2020AccountsReceivable & AgeofAccountsReceivable & \multicolumn{2}{c|}{ExpectedPercentageUncollectible} \\ \hline$1,510,000 & Not due (under 30 days) & 1.25% \\ 715,000 & 1 to 30 days past due & 2.00% \\ 152,000 & 31 to 60 days past due & 6.50% \\ 97,000 & 61 to 90 days past due & 33.00% \\ 25,000 & Over 90 days past due & 50.00% \\ \hline \end{tabular} Other information: Unadjusted Allowance for Doubtful Accounts (debit balance) on December 31, 2020$9,800