Exam code:4AC1
The double entry system
What is the double entry system?
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The double entry system is used by bookkeepers
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The double entry system is used to improve the accuracy of financial statements
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The double entry system is closely linked to the accounting equation
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Assets = Liabilities + Equity
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The equation is always balanced
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Each transaction causes both sides of the equation to:
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increase
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or decrease
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or remain the same
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Each transaction is entered into two accounts
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One is called a debit entry
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One is called a credit entry
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What is the layout of a ledger account?
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Each account will be split into two sides
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The debit entries appear on the left
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This side is sometimes labelled as Dr
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The credit entries appear on the right
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This side is sometimes labelled as Cr
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When you make an entry you need to include:
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The date of the transaction
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The details of the transaction
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This is normally the name of the other account involved
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The value of the transaction
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What are the advantages of maintaining double entry records?
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It is straightforward to prepare financial statements
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It can help give an accurate calculation of the profit or loss
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It reduces the possibility of fraud
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It gives easy access to information for the bank or other lenders
Debits & credits
What is a debit entry?
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A debit entry is mainly used for:
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Increasing the value of an asset
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The left-hand side of the accounting equation increases
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Decreasing the value of a liability or the equity
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The right-hand side of the accounting equation decreases
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What is a credit entry?
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A credit entry is mainly used for:
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Increasing the value of a liability or the equity
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The right-hand side of the accounting equation increases
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Decreasing the value of an asset
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The left-hand side of the accounting equation decreases
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Which accounts should I debit?
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Debit an asset account when its value is increasing
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You receive cash
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Debit the cash account
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A customer buys goods on credit
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Debit their trade receivables account
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Debit a liability account when its value is decreasing
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You make a repayment on a bank loan
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Debit the bank loan account
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You pay an invoice to a credit supplier
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Debit their trade payables account
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Debit other accounts when the transaction decreases the equity
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You take out assets for personal use
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Debit the drawings account
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You pay an expense which decreases the profit
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Debit the relevant expense account
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Such as purchases, rent paid, discount allowed, etc
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Which accounts should I credit?
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Credit a liability account when its value is increasing
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You take out a bank loan
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Credit the bank loan account
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You buy goods on credit from a supplier
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Credit their trade payables account
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Credit an asset account when its value is decreasing
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You pay rent by bank transfer
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Credit the bank account
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A credit customer pays their invoice
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Credit their trade receivables account
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Credit other accounts when the transaction increases the equity
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You put more personal assets (such as money) into the business
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Credit the capital account
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You receive income which increases the profit
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Credit the relevant income account
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Such as sales, rent received, discount received, etc
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How do I decide whether an account should be debited or credited?
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STEP 1
Identify the asset, liability or equity-
Usually this is cash, trade receivables or trade payables
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STEP 2
Determine whether its value is increasing or decreasing -
STEP 3
Debit or credit that account-
Debit the account if:
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It is an asset account and its value is increasing
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It is a liability or the equity account and its value is decreasing
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Credit the account if:
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It is an asset account and its value is decreasing
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It is a liability or the equity account and its value is increasing
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STEP 4
Put an equal entry on the opposite side for the second account

Do I debit or credit accounts for expenses & incomes?
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When you pay an expense you will debit that account
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This is because expenses decrease the profit
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The equity will decrease
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The other part of the double entry is to credit the cash or bank account
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Your cash is decreasing
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When you receive an income you will credit that account
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This is because income increases the profit
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The equity will increase
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The other part of the double entry is to debit the cash or bank account
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Your cash is increasing
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Do I debit or credit accounts for drawings & capital?
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When the owner takes out money or goods from the business for themselves you will debit the drawings account
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This is because taking drawings decreases the equity
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The other part of the double entry is to credit the cash or bank account
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The company’s cash is decreasing
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When the owner adds their own money to the business you will credit the capital account
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This is because introducing money increases the equity
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The other part of the double entry is to debit the cash or bank account
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The company’s cash is increasing
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Examiner Tips and Tricks
To remember which side of an account to record a transaction, you can use the acronym DEAD CLIC.
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The transaction is on the debit side for expense, asset, and drawings accounts if the account is increasing.
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The transaction is on the credit side for liability, income, and capital (equity) accounts if the account is increasing.
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If the account is decreasing then the transaction is recorded on the opposite side!

Worked Example
Hina is a sole trader.
Complete the table below to show the accounts that Hina should debit and credit for each of the following transactions.
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Transaction |
Account to be debited |
Account to be credited |
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Hina sells goods on credit to Priya |
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Hina receives a cash payment from Priya |
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Hina pays an electricity bill by cheque |
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Hina buys goods on credit from Dida |
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Hina repays some of a bank loan by bank transfer |
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Hina takes ownership of a company vehicle for her own use |
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Hina puts some of her own money into the business bank account |
Answer
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Transaction |
Account to be debited |
Account to be credited |
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Hina sells goods on credit to Priya ![]() |
Priya Hina is owed cash from Priya. |

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