What contributed to the beginning of the decline of the Roman Empire? Choose all answers that are correct. Very few Roman emperors in the centuries after Augustus were competent rulers; most were insane, greedy, or both. Exposure to diseases from other lands killed many Romans. The Roman Empire, expansive as it was, could easily be governed by one person effectively.

The estimated Bad Debt Expense for the period is $13,600

Explanation:

Quill Industries estimates of uncollectible receivables resulting from the aging analysis equals $20,000. The company uses the aging of accounts receivable method and the Allowance for Doubtful Accounts has credit balance of $6,400 before adjusting.

Bad debt Expense = $20,000 - $6,400 = $13,600

The entry:

Debit Bad debts expense $13,600

Credit Allowance for doubtful accounts $13,600