Cullumber Company uses the percentage-of-receivables basis to record bad debt expense and concludes that 1% of accounts receivable will become uncollectible. Accounts receivable are $420,000 at the end of the year, and the allowance for doubtful accounts has a credit balance of $2,850. (a) Prepare the adjusting journal entry to record bad debt expense for the year. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Account Titles and Explanation Debit Credit