The following information pertains to Airo Inc., at the end of December: Credit Sales $ 60,000 Accounts Payable 10,000 Accounts Receivable 7,000 Allowance for Uncollectible Accounts 400 credit Cash Sales 20,000 Airo uses the aging method and estimates it will not collect 2% of accounts receivable not yet due, 10% of receivables up to 30 days past due, and 40% of receivables greater than 30 days past due. The accounts receivable balance of $7,000 consists of $3,500 not yet due, $2,000 up to 30 days past due, and $1,500 greater than 30 days past due. What is the appropriate amount of Bad Debt Expense