reconciliation

The total of the list of balances in Valley’s payables ledger was $438,900 at 30 June 20X6. This balance did not agree with Valley’s payables ledger control account balance. The following errors were discovered: 1 A contra entry of $980 was recorded in the payables ledger control account, but not in the payables ledger. 2 The total of the purchase returns daybook was undercast by $1,000. 3 An invoice for $4,344 was posted to the supplier’s account as $4,434. What amount should Valley report in its statement of financial position for accounts payable at 30 June 20X6? A $436,830 B $438,010 C $439,790 D $437,830 why 90 is deducted???