A client failed to record a material accounts payable balance invoice for professional services received by the client prior to their year$-$end in its accounts payable account balance and subsidiary ledger. Which of the following substantive audit procedure would be most likely to detect this error and what would the impact of this error be$?$

Tracing items selected from the accounts payable subsidiary listing to the supporting documentation such as vendor invoices and receiving report and an understatement of profit.

Search for unrecorded liabilities and an understatement of profit.

Search for unrecorded liabilities and an overstatement of profit.

Sending a confirmation to the vendor for invoices listed on the accounts payable subsidiary ledger and an overstatement of profit.