Which of the Following Errors Would Be Detected by a Trial

Which of the following errors would be detected by a trial balance?

A) Staff wages were recorded as office expenses.
B) The cashier pocketed the cash from a cash sale and did not record it on the register.
C) A cash sale was recorded in the sales account as $548 instead of $584 but was correctly recorded in the bank account.
D) Supplies purchased on credit were recorded as a debit to the plant and equipment account and a credit to the accounts payable account.