Question 4 (1 point) Allowance for doubtful accounts has a credit balance of $900 at the end of the current year (prior to adjustment). An analysis of the aged accounts in the customers' ledger indicates uncollectible accounts of $16,000. The adjusting entry would require a debit to: O bad-debt expense for $15,100 allowance for doubtful accounts for $16,900 allowance for doubtful accounts for $15,100 bad-debt expense for $16,900