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Vaughn Manufacturing uses the percentage-of-receivables basis to record bad debt expense and concludes that 3% of accounts receivable will become uncollectible. Accounts receivable are $421,400 at the end of the year, and the allowance for doubtful accounts has a credit balance of $3,027. (a) Prepare the adjusting journal entry to record bad debt expense for the year. If the allowance for doubtful accounts had a debit balance of $839 instead of a credit balance of $3,027, prepare the (b) adjusting journal entry for bad debt expense. (Credit account titles are automatically indented when amount is entered. Do not indent manually.) No. Account Titles and Explanation Credit Debit (a) (b)