A firm reported sales of $600,000 during the year and has a balance of $40,000 in its Accounts Receivable account at year-end. Prior to adjustment, Allowance for Doubtful Accounts has a debit balance of $600. The firm estimated its losses from uncollectible accounts to be one-half of 1 percent of sales. The entry to record the estimated losses from uncollectible accounts will include a credit to Allowance for Doubtful Accounts for