Katie’s bank statement shows a closing balance of $178.11 there are no outstanding checks or deposits her checkbook shows balance of $198.11 what might account for the different balance.

There are multiple errors that could have been made.

Katie could have made a mistake with the computation. She may have added or subtracted incorrectly.

Katie could have listed an item for a deposit when it should have been a withdrawal. Or maybe she listed an item for a withdrawal when it should have been a deposit.