Gross Accounts Receivable is $12,000. Allowance for Doubtful Accounts has a credit balance of $600. Net sales for the year are $100,000. In the past, 2% of sales had proved uncollectible, and an aging of the receivables indicates $1,900 as uncollectible. What would be the adjusted balance of the Allowance account under the balance sheet approach? A. $2,000 B. $1,400 C. $2,500 D. $1,900