Content Standard 5.2

Double-Entry System

Sistem Catatan Bergu

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Explanation

The Double-Entry System is a method of recording business transactions based on the principle that every transaction has two effects of equal value but in opposite directions, namely one debit entry and one credit entry. This means that whenever one account receives value (is debited), another account must give value (is credited) by the same amount. This is the foundation of the accounting equation Assets = Liabilities + Equity, because every balanced entry keeps the equation in balance.

Each account in the ledger takes the shape of the letter T. The left side of the account is called the debit (Dr) and the right side is called the credit (Cr). The word debit does not always mean increase, and credit does not always mean decrease. Whether an account is debited or credited depends on the type of account, that is, whether it is an asset, a liability, equity (capital), revenue or an expense, and on whether the value of that account increases or decreases as a result of the transaction.

The rules of recording are as follows. For Assets, an increase is recorded on the debit side and a decrease on the credit side. For Expenses, an increase is also recorded on the debit side. Conversely, for Liabilities, Equity (Capital) and Revenue, an increase is recorded on the credit side while a decrease is recorded on the debit side. An easy way to remember: Assets and Expenses increase on the Debit side, while Liabilities, Capital and Revenue increase on the Credit side. This rule matters because it decides the direction of every entry.

To determine the accounts involved in a transaction, students must analyse the two effects of that transaction. The steps are to identify the two accounts involved, determine the type of each account, decide whether its value increases or decreases, then apply the recording rules to decide which account is debited and which is credited. For example, buying inventory for cash involves the Inventory account (an asset that increases, debited) and the Cash account (an asset that decreases, credited).

Once entries are made, each account must be recorded and balanced. Balancing an account means finding the closing balance by totalling each side, taking the difference between the debit and credit sides, and writing the balance carried down (balance c/d) on the smaller side so that both sides are equal. This balance is then brought down as the balance brought down (balance b/d) for the following period. Asset and expense accounts normally carry a debit balance, while liability, capital and revenue accounts normally carry a credit balance.

Worked examples

Example 1: Analysing the two effects of a cash transaction

Maju Jaya Enterprise buys inventory worth RM1,200 in cash. First effect: the Inventory account (an asset) increases, so it is debited. Second effect: the Cash account (an asset) decreases, so it is credited.

Double entry: Debit Inventory RM1,200; Credit Cash RM1,200. Note that total debit equals total credit, RM1,200, so the accounting equation stays balanced.

Example 2: Credit transaction and capital injection

On 1 May, Ms Lina starts a business by putting in RM50,000 cash as capital. The Cash account (an asset) increases, debited RM50,000; the Capital account (equity) increases, credited RM50,000. Entry: Debit Cash RM50,000; Credit Capital RM50,000.

On 5 May, the business buys furniture costing RM3,000 on credit from Setia Enterprise (a creditor). The Furniture account (an asset) increases, debited; the Creditor account (a liability) increases, credited. Entry: Debit Furniture RM3,000; Credit Creditor RM3,000.

Example 3: Recording and balancing the Cash account

Using the transactions above, the Cash account is debited RM50,000 (capital) and credited RM1,200 (purchase of inventory). Total debit is RM50,000 and total credit is RM1,200.

The difference between the two sides is RM48,800. Write Balance c/d RM48,800 on the credit side so that both sides total RM50,000. This balance is brought down as Balance b/d RM48,800 on the debit side for the next period, showing that the Cash account has a debit balance.

Practice

State the meaning of the Double-Entry System and explain why total debit always equals total credit.

Answer: The Double-Entry System is a method of recording every transaction with two effects of equal value but opposite direction, namely one debit entry and one credit entry. Total debit always equals total credit because every value received by one account (debit) comes from a value given by another account (credit) in the same amount. This keeps the accounting equation Assets = Liabilities + Equity in balance.

For each of the following transactions, state the account to be debited and credited: (a) Received cash RM800 from a debtor; (b) Paid rent RM600 in cash; (c) Bought a vehicle RM40,000 on credit.

Answer: (a) Debit Cash RM800; Credit Debtor RM800 (asset Cash increases, asset Debtor decreases). (b) Debit Rent RM600; Credit Cash RM600 (expense increases, asset Cash decreases). (c) Debit Vehicle RM40,000; Credit Creditor RM40,000 (asset Vehicle increases, liability Creditor increases).

Write the recording rules for the five types of accounts and give one example account for each type.

Answer: Assets (example: Cash) increase on the debit side, decrease on the credit side. Expenses (example: Salaries) increase on the debit side, decrease on the credit side. Liabilities (example: Creditor) increase on the credit side, decrease on the debit side. Equity/Capital (example: Capital) increases on the credit side, decreases on the debit side. Revenue (example: Sales) increases on the credit side, decreases on the debit side.

The Bank account shows debit entries of RM20,000 (capital) and RM5,000 (cash sales) and credit entries of RM7,000 (purchases) and RM3,000 (rent). Balance the account.

Answer: Total debit = RM20,000 + RM5,000 = RM25,000. Total credit = RM7,000 + RM3,000 = RM10,000. Difference = RM25,000 - RM10,000 = RM15,000. Write Balance c/d RM15,000 on the credit side so both sides total RM25,000. Balance b/d RM15,000 is brought down on the debit side. The Bank account has a debit balance of RM15,000.

Exam tips

Key terms

Double-Entry System (Sistem Catatan Bergu): A method of recording every transaction with two effects of equal value but opposite direction, one debit and one credit.
Debit: The left side of an account; where increases in assets and expenses are recorded.
Credit (Kredit): The right side of an account; where increases in liabilities, capital and revenue are recorded.
Balancing an Account (Mengimbangkan Akaun): The process of finding an account's closing balance by taking the difference between the debit and credit sides, then writing balance c/d and balance b/d.

Source: DSKP KSSM Prinsip Perakaunan Tingkatan 4

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