The debit column of a trial balance amounts to $78,000; the credit column also amounts to $78,000. Which error may still exist?

  1. A journal entry contains a correct debit amount and an incorrect credit amount.
  2. A debit entry to the Accounts Receivable account in the journal is incorrectly posted as a credit to the Accounts Receivable account in the ledger.
  3. The debit portion of a journal entry is posted to the ledger twice.
  4. A cash payment on account of $240 is incorrectly recorded as a cash payment of $420.