Case Co.'s balances in Allowance for Doubtful Accounts were $25,000 at the beginning of the current year and $18,000 at year end. During the year, receivables of $10,000 were written off as uncollectible. What amount should Case report as bad debt expense at year end? A. $15,000 B. $3,000 C. $10,000 D. $5,000 A B C