Using the aging method of accounts receivable method, $5, 200 of the company's Accounts Receivable are estimated to be uncollectible. At the end of the year, the balance of Accounts Receivable is $102,000 and the unadjusted credit balance of the Allowance for Doubtful Accounts is $540. Credit sales during the year totaled $154,000. What is the current year's Bad Debt Expense? $4, 660. $5, 200 $7, 740. $7, 200