Answer:
A) Debit Accounts Receivable-M. Simmons and credit Bad Debts Expense: debit Cash and credit Accounts Receivable-M. Simmons.
Explanation:
June 16, 2018 (Simmons's debt is written off)
Since Simmons's debt is written off as bad debt, accounts receivable must be decreased (credited) and the bad debt expense recorded (debited).
Oct 14, 2018 (Simmons pays his debt, first the write off must be reversed)
Before recording the payment, the write off must be reversed.
Oct 14, 2018 (Simmons payment is recorded)
Since the payment was received, cash should increase (debited) and the accounts receivable should decrease (credited).