After writing off a $300 account balance for Ballman Company using the allowance method, Ballman Company sends in the payment. The journal entry to reverse the write off using the allowance method is:

The journal entry is shown below:

Explanation:

The journal entry for writing off the amount through using the Allowance Method is as:

Allowance for Bad debts A/c ... Dr $300

Accounts Receivable A/c ... Cr $300

While writing off the amount of bad debt, the allowance for bad debts account is debited against the accounts receivable account.

The journal entry which is to be recorded for reversing the write off through using the Allowance Method:

Accounts Receivable A/c ... Dr $300

Allowance for Bad debts A/c ... Cr $300

So, for reversing the original entry would be reversed, which means the accounts receivable account is debited as the payment is received and the bad debts got decrease, which means the allowance for Bad debts is credited.