Answer:
Dr Allowances for sales returns $600
Cr Sales refund payable $600
Being increase sales refund estimate
Explanation:
The sales refund account is liability account that should naturally have a credit balance.
In the current period the balance in the sales refund payable account should be $900 in total,but there is a balancing credit amount already in the account,intuitively, the amount needed to raise the balance in the account to $900 is $600.
The necessary entries required for the sales refund payable is shown below:
Dr Allowances for sales returns $600
Cr Sales refund payable $600
Being increase sales refund estimate
There is no adjusting entry to accounts receivable as that deals with receipt of cash from sales transactions and not the actual sales transactions.
When the refund is eventually settled with cash, a debit is posted to sales refund payable and a credit to cash account