When these transactions take place, what source documents are likely to be used in recording the transactions in your records? Original or duplicate?

1. Purchased a vehicle on credit.

2. Paid wages.

3. The owner invested money in the business.

4. The owner withdrew goods for private use.

5. Sold goods for cash.

6. Sold goods on credit.

7. Bought goods on credit.

8. Returned unsatisfactory goods to a supplier.

9. Paid electricity by cheque.

10. Invested money on fixed deposit.