At the end of the current year, Accounts Receivable has a balance of $550,000; Allowance for Doubtful Accounts has a credit balance of $5,500; and net sales for the year total $2,500,000. An analysis of receivables estimates uncollectible receivables as $25,000. Determine the amount of the adjusting entry for bad debt expense and the adjusted balance of Allowance of Doubtful Accounts, respectively. a. $30,500 and $25,000 b. $30,500 and $525,000 c. $19,500 and $25,000 d. $19,500 and $525,000