Percent of Sales Method At the end of the current year, Accounts Receivable has a balance of $615,000, Allowance for Doubtful Accounts has a credit balance of $5,500, and sales for the year total $2,770,000. Bad debt expense is estimated at 1.1% of sales. a. Determine the amount of the adjusting entry for uncollectible accounts. $fill in the blank 1 30,470 b. Determine the adjusted balances of Accounts Receivable, Allowance for Doubtful Accounts, and Bad Debt Expense.