Which of the following activities are operative activities? 1. Purchase of machinery.  2. Proceeds from issuance of equity share capital. 3. Cash revenue from operations.  4. Proceeds from long-term borrowings. 5. Proceeds from sale of old machinery.  6. Cash receipt from trade receivables. 7. Trading commission received.  8. Purchase of non-current investment. 9. Redemption of preference shares.  10. Cash purchases.