In 1997, the Erin Company had credit sales of $825,000 and granted sales discounts of $16,500. On December 31, 1997 the Accounts Receivable balance was $248,000 and the unadjusted Allowance for Doubtful Accounts balance was $400 (credit). The management reviewed the accounts receivable and determined that $12,400 would become uncollectible. The adjusting entry to record bad debts would include a debit to Bad Debt Expense for?