Control Account Reconciliations

The receivables ledger control account shows a balance of $45,600. The total of the individual customer balances in the receivables ledger is $44,200. Upon investigation, it is discovered that a sales invoice for $1,400 was recorded in the sales day book as $2,800, but correctly posted to the customer's individual account. What is the correct receivables balance to be shown in the statement of financial position?