Meaning, Purpose and Preparation of Trial Balance for SS 1

The Trial Balance

Performance Objectives

By the end of the lesson, students should be able to:

1. explain the meaning and purpose of the trial balance;
2. state the items found in a trial balance;
3. draw the trial balance table;
4. discuss the limitations of the trial balance;
5. prepare a trial balance from given ledger balances;
6. explain the errors that affect trial balance;
7. correct trial balance errors.

Meaning of Trial Balance

A trial balance is a list of all the debit and credit balances extracted from the ledger accounts of a business at a specific date.

It is prepared after all transactions have been recorded in the journals and posted to the respective ledger accounts. The trial balance serves as an internal document for the business.

Purpose of the Trial Balance

The main purposes of preparing a trial balance are:

1. To check the arithmetic accuracy of the ledger accounts: According to the double-entry principle, for every debit entry, there must be a corresponding credit entry of an equal amount. Therefore, the total of all debit balances in the ledger should equal the total of all credit balances. If the totals match, it indicates that the arithmetic entries in the ledger are likely correct.
2. To provide a summary of all ledger balances: It brings together all the balances from various ledger accounts into one statement, making it easier to see the financial position of the business at a glance.
3. To serve as a basis for preparing financial statements: The balances listed in the trial balance are used to prepare the final accounts, such as the Trading, Profit and Loss Account, and the Statement of Financial Position (Balance Sheet).

Items Found in a Trial Balance

A trial balance contains the balances of all active ledger accounts. These accounts represent different elements of a business’s financial position and performance. The items typically found in a trial balance include:

1. Assets: These are resources owned by the business that have future economic value. Examples include Cash, Bank, Debtors (Accounts Receivable), Furniture, Equipment, Land, Buildings, and Stock (Inventory). Assets usually have debit balances.
2. Liabilities: These are obligations of the business to external parties. Examples include Creditors (Accounts Payable), Loans, and Bank Overdraft. Liabilities usually have credit balances.
3. Capital: This is the owner’s investment in the business. It represents the owner’s equity. Capital usually has a credit balance.
4. Drawings: These are funds or goods withdrawn by the owner for personal use. Drawings reduce capital and usually have a debit balance.
5. Revenues (Income): These are amounts earned by the business from its operations. Examples include Sales, Rent Received, and Discount Received. Revenues usually have credit balances.
6. Expenses: These are costs incurred by the business in generating revenue. Examples include Purchases, Wages, Salaries, Rent Paid, Electricity, and Discount Allowed. Expenses usually have debit balances.

Format of the Trial Balance

The trial balance is typically presented in a two-column format, with one column for debit balances and another for credit balances. It includes the name of the business, the title “Trial Balance,” and the date as at which it is prepared.

The standard format of a trial balance is:

The columns in a trial balance are:

1. S/N (Serial Number): A sequential number for each account listed.
2. Particulars (Account Name): The name of each ledger account from which the balance is extracted.
3. Debit (₦): The column where all debit balances are recorded.
4. Credit (₦): The column where all credit balances are recorded.

Methods of Preparing a Trial Balance

There are two main methods for preparing a trial balance:

1. Balance Method: This is the most common and widely used method. Under this method, only the final balances of each ledger account (after all postings and balancing) are extracted and listed in the trial balance. If an account has a debit balance, it is placed in the debit column; if it has a credit balance, it is placed in the credit column.
2. Total Method: In this method, the total of the debit side and the total of the credit side of each ledger account are extracted and listed in the trial balance, rather than just the final balance. The sum of all debit totals from the ledger accounts should equal the sum of all credit totals from the ledger accounts. This method is less common in practice because it does not directly show the net position of each account. For SS1, the focus is primarily on the Balance Method.

Steps in Preparing a Trial Balance (Balance Method)

The preparation of a trial balance involves a systematic process:

1. Balance all ledger accounts: After all transactions have been posted to the ledger, each account must be balanced to determine its final debit or credit balance.
2. List the account names: Write down the name of each ledger account in the “Particulars (Account Name)” column.
3. Identify debit balances: For accounts with a debit balance (e.g., assets, expenses, drawings), enter the balance amount in the “Debit (₦)” column.
4. Identify credit balances: For accounts with a credit balance (e.g., liabilities, capital, revenues), enter the balance amount in the “Credit (₦)” column.
5. Total the columns: Add up all the amounts in the “Debit (₦)” column to get the total debit balance. Similarly, add up all the amounts in the “Credit (₦)” column to get the total credit balance.
6. Check for equality: The total of the debit column must be equal to the total of the credit column. If they are equal, it suggests that the double-entry postings are arithmetically correct. If they are not equal, there is an error in the ledger accounts that needs to be investigated.

Preparing a Trial Balance from Given Ledger Balances

To prepare a trial balance, you need the final balances of all ledger accounts. Let us consider an example.

Example:

The following balances were extracted from the ledger of Bola Enterprises on 31st December 2023:

1. Capital: ₦500,000 (Cr)
2. Cash: ₦80,000 (Dr)
3. Bank: ₦120,000 (Dr)
4. Purchases: ₦150,000 (Dr)
5. Sales: ₦250,000 (Cr)
6. Debtors: ₦70,000 (Dr)
7. Creditors: ₦40,000 (Cr)
8. Rent Paid: ₦20,000 (Dr)
9. Salaries: ₦30,000 (Dr)
10. Furniture: ₦100,000 (Dr)
11. Drawings: ₦10,000 (Dr)

Solution:

Bola Enterprises
Trial Balance
As at 31st December 2023

The debit and credit totals are equal (₦580,000), indicating that the ledger accounts are arithmetically balanced.

Limitations of the Trial Balance

While a trial balance helps to check the arithmetic accuracy of ledger entries, it does not guarantee that all transactions have been recorded correctly. There are certain types of errors that do not affect the equality of the debit and credit columns in the trial balance. These are known as errors not disclosed by the trial balance. The limitations include:

1. It does not detect errors of omission: If a transaction is completely omitted from the books of accounts (i.e., not recorded in any journal or ledger), the trial balance will still balance because there are no entries to affect the equality.
2. It does not detect errors of commission: If a transaction is correctly recorded but posted to the wrong account of the same class (e.g., posting a sale to customer A’s account instead of customer B’s account), the trial balance will still balance.
3. It does not detect errors of principle: If a transaction is recorded in the wrong class of account (e.g., treating the purchase of a new machine as an expense instead of an asset), the trial balance will still balance because a debit and a credit entry of equal amounts would have been made.
4. It does not detect compensating errors: If two or more errors cancel each other out (e.g., an over-debit in one account is offset by an over-credit in another account, or an under-debit in one account is offset by an under-credit in another), the trial balance will still balance.
5. It does not detect errors of original entry: If the original amount of a transaction is incorrectly recorded in the journal, and this incorrect amount is then posted to both the debit and credit sides of the ledger, the trial balance will still balance.
6. It does not detect errors of complete reversal: If a transaction is correctly recorded but the debit and credit entries are made in the wrong accounts (e.g., debiting Cash and crediting Sales instead of debiting Sales and crediting Cash), the trial balance will still balance.

Errors that Affect the Trial Balance

Errors that affect the trial balance are those that cause the total of the debit column to be unequal to the total of the credit column. These errors typically involve a single entry being incorrect or an imbalance in the double-entry system. Such errors prevent the trial balance from balancing.

Common errors that affect the trial balance include:

1. Single entry error: This occurs when only one aspect of a double entry is recorded. For example, if cash received is debited to the Cash account but not credited to the Sales account, the trial balance will not balance.
2. Partial omission: This is similar to a single entry error, where one part of a transaction is recorded, but the other part is completely left out.
3. Incorrect amount posted to one side: If an amount is correctly debited to one account but an incorrect amount is credited to another account, the trial balance will not balance.
4. Incorrect totalling of ledger accounts: If the debit or credit side of a ledger account is incorrectly added up, the balance extracted will be wrong, leading to an imbalance in the trial balance.
5. Incorrect balancing of ledger accounts: If the final balance of a ledger account is calculated wrongly, it will cause the trial balance to disagree.
6. Posting to the wrong side of an account: If a debit entry is posted to the credit side of an account, or vice versa, the trial balance will not balance.
7. Transposition error: This happens when the digits of an amount are reversed (e.g., writing ₦540 instead of ₦450). If this error occurs in only one entry or one side of an account, it will affect the trial balance.
8. Casting errors in the trial balance: If the debit or credit columns of the trial balance itself are incorrectly added, the totals will not agree.

Correcting Errors that Affect the Trial Balance

When a trial balance does not balance, it indicates that an error has occurred. The difference between the debit and credit totals helps in locating the error. The steps to correct errors that affect the trial balance generally involve:

1. Checking the trial balance totals: First, re-add the debit and credit columns of the trial balance to ensure no error was made in summing them up.
2. Checking the ledger account balances: Verify that the balances extracted from the ledger accounts are correct and that they have been correctly transferred to the trial balance.
3. Checking postings to the ledger: Review the postings from the journals to the ledger accounts to ensure that each transaction was posted to the correct side and with the correct amount.
4. Checking journal entries: Ensure that the original entries in the journals were made correctly.

Once an error is located, it is corrected by making an appropriate entry in the ledger accounts. For example:

1. If a debit entry was completely omitted: The missing debit entry should be made in the relevant account.
2. If a credit entry was posted as a debit: The incorrect debit entry should be reversed by crediting the account with the same amount, and then the correct credit entry should be made.
3. If an amount was understated on the debit side: The account should be debited with the difference to correct the understatement.

For errors that do not affect the trial balance (e.g., errors of omission, commission, principle, compensating, original entry, complete reversal), their correction usually involves making a journal entry to adjust the affected accounts without changing the overall balance of the trial balance. For SS1, the focus is on understanding that these errors exist and how they differ from errors that cause the trial balance to disagree.