A year - end review of Accounts Receivable and ostimated uncollectible percentages revealed the following: Bofore the yoar - end adjustment, the credit balance in A Aowance for Uncollectble Accounts was 51,100 . Under the aging-of - recevables method, the Uncoliectible - Account Expense at year - end is A. $1,890 B. 5:1,410 C. 310,310 D. 59.210