1. Business Entity and Duality
These are two of the most fundamental principles in accounting. The Business Entity Concept states that a business is a separate entity from its owner. Its finances must be kept completely separate. For example, if the owner takes money from the business for personal use, it's not a business expense but 'drawings', which reduces the owner's capital. The Duality Principle, or dual aspect concept, is the foundation of double-entry bookkeeping. It states that every financial transaction has two equal and opposite effects on the accounting equation: Assets = Liabilities + Capital. For every debit entry, there must be a corresponding credit entry.
Assets = Liabilities + Capital
Assets - Liabilities = Capital
Key term
Examiner insight
Common pitfall
Worked example 13 marks
Anya, a sole trader, buys a new computer for her business costing $1,200. She pays for it using the business bank account. Explain the dual effect of this transaction on the accounting equation.
- 1
- Identify the two accounts affected: The business's non-current assets (computer) and its current assets (cash at bank).
- 2
- Determine the effect on each account: The asset 'Computer' increases by $1,200. The asset 'Cash at Bank' decreases by $1,200.
- 3
- Show the effect on the accounting equation: Assets (Computer +$1,200, Bank -$1,200) = Liabilities (no change) + Capital (no change). The equation remains balanced as the total value of assets is unchanged.
Worked example 24 marks
Later, Anya takes $100 cash from the business's till to buy groceries for her family. Explain how the business entity and duality principles apply here.
- 1
- Business Entity: This transaction must be recorded because the business is separate from Anya. The $100 is not a business expense but a withdrawal by the owner.
- 2
- Duality Principle - Effect 1: The business's asset 'Cash' decreases by $100.
- 3
- Duality Principle - Effect 2: The owner's capital is reduced. This is recorded in a 'Drawings' account, which reduces overall capital. So, Capital decreases by $100.
- 4
- The accounting equation balances: Assets (Cash -$100) = Liabilities (no change) + Capital (-$100).
Recap
- The business's finances are always separate from the owner's personal finances.
- Drawings are withdrawals by the owner and reduce capital; they are not business expenses.
- Every transaction affects at least two items in the accounting equation.
- The duality principle is the basis for the double-entry system of bookkeeping.
- After every transaction, the accounting equation (Assets = Liabilities + Capital) must balance.
Quick check
- What are the two effects of a business buying goods on credit for $500?2 marks