Indigo Corporation uses the percentage-of-receivables basis to record bad debt expense. Accounts receivable (ending balance) $510,000 (debit) Allowance for doubtful accounts (unadjusted) 3,300 (debit) The company estimates that 2% of accounts receivable will become uncollectible. (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