Lani Co. uses the allowance method to account for bad debts. At the end of the year, their unadjusted trial balance shows an accounts receivable balance of $400,000; allowance for doubtful accounts balance of $400 (debit); and sales of $1,200,000. Based on history, Lani estimates that bad debts will be 1% of accounts receivable. The entry to record estimated bad debts will include a debit to Bad Debts Expense in the amount of