Final answer:
Control accounts are detailed general ledger accounts that make up a financial statement category on an auditor's working trial balance. They summarize the transactions of related subsidiary ledgers and help ensure the accuracy of financial statements.
Step-by-step explanation:
The correct answer is C) Control accounts.
Control accounts are detailed general ledger accounts that make up a financial statement category on an auditor's working trial balance. These accounts summarize the transactions of related subsidiary ledgers and provide an overall balance. They help the auditor ensure the accuracy and completeness of the financial statements.
For example, a control account for accounts receivable would show the total amount owed by customers, which is derived from individual customer balances in the subsidiary ledger.