Multiple Choice (4 points each) Use the following to answer questions 1-2: A trial balance before adjustments included the follow ing: Debit Credit Sales $850,000 Sales returns and allowance $28,000 Accounts receivable 86,000 Allowance for doubtful accounts 1,520 1. If the estimate of uncollectibles is made by taking 10% of gross account receivables, th amount of the adjustment is A) $8,600. B) $8,448. C) $10,120. D) $7,080. 2. If the estimate of uncollectibles is made by taking 2% of net sales, the amount of the adjustment is A) $19,480. B) $13,400. $16,440. D ) $17,000