Question 3 A trial balance before adjustments included the following: Debit Credit Sales 425,000 Sales returns and allowance 14,000 Accounts receivable 43,000 Allowance for doubtful accounts 760 If the estimate of uncollectibles is made by taking 10% of grass account receivables, the amount of the adjustment is O 4,300 O 4,224. O 3,540 5,060