Correct Option: C. To facilitate the reconciliation of subsidiary ledgers with the general ledger Detailed Explanation: Control accounts are summary accounts in the general ledger that consolidate the balances of individual accounts from subsidiary ledgers. The primary purpose of using control accounts is to facilitate the reconciliation of subsidiary ledgers with the general ledger. Here’s a step-by-step breakdown of why option C is correct and the other options are not:

1. Understanding Control Accounts:
2. Control accounts are used to summarize the total amounts owed by customers (Accounts Receivable Control Account) or the total amounts owed to suppliers (Accounts Payable Control Account).
3. These accounts do not contain detailed transaction information; instead, they provide a high-level overview of the balances.
4. Reconciliation Process:
5. The reconciliation process involves comparing the balance in the control account with the total of the individual balances in the subsidiary ledger.
6. For example, if the Accounts Receivable Control Account shows a balance of $10,000, the sum of all individual customer accounts in the subsidiary ledger should also equal $10,000.
7. If there is a discrepancy, it indicates that there may be errors in the recording of transactions, which can then be investigated.
8. Importance of Reconciliation:
9. Reconciliation helps ensure the accuracy of financial records, which is crucial for reliable financial reporting.
10. It also aids in identifying errors or fraud, as any differences between the control account and subsidiary ledger must be resolved.

Why Other Options Are Incorrect:

• Option A: To reduce the number of journal entries made in the general ledger:
• While control accounts can simplify the general ledger by summarizing transactions, their primary purpose is not to reduce the number of journal entries. Instead, they serve to provide a mechanism for reconciliation. The number of journal entries may remain the same, but the control account provides a clearer overview.
• Option B: To provide a detailed record of individual transactions:
• This option is incorrect because control accounts do not provide detailed records. Instead, they summarize the total balances from the subsidiary ledgers. The detailed records are maintained in the subsidiary ledgers themselves, not in the control accounts.
• Option D: To eliminate the need for a trial balance:
• This option is misleading. Control accounts do not eliminate the need for a trial balance. A trial balance is a separate accounting tool used to ensure that total debits equal total credits in the general ledger. Control accounts can help in preparing a trial balance but do not replace it.

Common Pitfalls:

• Students often confuse control accounts with subsidiary ledgers, thinking they serve the same purpose. Remember, control accounts summarize while subsidiary ledgers provide detailed records.
• Failing to reconcile control accounts regularly can lead to undetected errors, which can compound over time and affect financial statements.

Revision Summary:

• Control accounts summarize balances from subsidiary ledgers for easier reconciliation with the general ledger.
• They help ensure accuracy in financial records and identify discrepancies.
• Control accounts do not provide detailed transaction records or eliminate the need for a trial balance.
• Regular reconciliation of control accounts is essential for maintaining accurate financial statements.