Answer: $51,400
Explanation:
Credits to Accounts Receivable represent a reduction in the Accounts receivable amount.
The formula for Closing balance is:
Closing balance = Opening balance + Credit sales - Credits to accounts receivable
Making Credit sales the subject will make the formula:
Credit sales = Credits to account receivable + Closing balance - opening balance
= 56,800 + 17,000 - 22,400
= $51,400