The following information pertains to Lightning Inc at the end of December Credit Sales Accounts Payable Accounts Receivable Allowance for Uncollectible Accounts Cash Sales $20,000 10,000 8,400 400 credit 20,000 Lightning uses the aging method and estimates it will not collect 7% of accounts receivable not yet due, 11% of receivables up to 30 days past due, and 45% of receivables greater than 30 days past due. The accounts receivable balance of $8,400 consists of $5,000 not yet due. $2,200 up to 30 days past due, and $1,200 greater than 30 days past due What is the appropriate amount of Bad Debt Expense? Multiple Choice O $400