Assume that Simple Co. had credit sales of $259,000 and cost of goods sold of $159,000 for the period. Simple uses the aging method and estimates that the appropriate ending balance in the Allowance for Doubtful Accounts is $3,900. Before the end-of-period adjustment is made, the Allowance for Doubtful Accounts has a credit balance of $340. What amount of Bad Debt Expense would the company record as an end-of-period adjustment?