he following information pertains to Lightning Inc., at the end of December: Credit Sales $ 20,000 Accounts Payable 10,000 Accounts Receivable 10,400 Allowance for Uncollectible Accounts 400 credit Cash Sales 20,000 Lightning uses the aging method and estimates it will not collect 7% of accounts receivable not yet due, 15% of receivables up to 30 days past due, and 49% of receivables greater than 30 days past due. The accounts receivable balance of $10,400 consists of $7,000 not yet due, $1,700 up to 30 days past due, and $1,700 greater than 30 days past due. What is the appropriate amount of Bad Debt Expense?