A Check for $2,560 to Pay a Vendor on Account

A check for $2,560 to pay a vendor on account was recorded in the firm's records as $2,650; the canceled check was properly listed on the bank statement at $2,560. To arrive at an accurate balance on a bank reconciliation statement:

A) add $2,650 to the bank statement balance.
B) add $90 to the book balance.
C) deducted $2,560 from the book balance.
D) deducted $90 from the bank statement balance.