Which one of the following errors can be revealed by a trial balance? 1. A transaction was completely omitted from the accounting records. 2. Posting of a debit entry from the journal was omitted. 3. Posting to the correct side of an incorrect account. 4. An entry was recorded twice in the correct journals. 5. A transaction was recorded correctly in the journal, but was posted on the incorrect day of the same month, to the correct general ledger accounts