The Allowance for Uncollectible Accounts Currently Has a Credit Balance

The Allowance for uncollectible accounts currently has a credit balance of $900.After analyzing the accounts in the accounts receivable subsidiary ledger using the aging method,the company's management estimates that uncollectible accounts will be $15,000.
-What will be the balance of the Allowance for uncollectible accounts reported on the balance sheet?

A) $15,000
B) $14,900
C) $15,900
D) $14,100