Identify each transaction either as:

(a) Operating activity, 

(b) Investing activity, 

(c) Financing activity 

(d) None of the above

1. Cash received from customers

2. Purchased machinery

3. Paid income tax to government

4. Issued equity shares at par

5. Sold investments at a gain

6. Issued debentures in exchange for equipment

7. Converted debentures into equity shares

8. Paid installments for the purchase of inventory

9. Received dividend

10. Paid interest on loans and debts