A. Accounting Concept
B. Source document
C. Double Entry Principle
D. Data collection
Correct Answer: Option C
C. Double Entry Principle
Explanation
The main principle of double-entry system is that for every debit there is a corresponding credit for an equal amount of money and for every credit there is a corresponding debit for an equal amount of money; i.e. for every transaction one account is debited for, the amount of transaction and the other account is also credited.