Answer:
Operating cashflow has to do with the everyday running of the business which includes sales, and receiving revenue.
Financing cashflow has to do with capital which includes equity and long term debt.
Investing has to do with fixed assets and other company securities (purchase and sale therefore).
If cash is coming in, it is an inflow and if it is going out, it is an outflow.
16. Paid the weekly payroll ⇒ Operating activity; cash outflow.
17. Paid an account payable ⇒ Operating activity; cash outflow.
18. Issued bonds payable for cash ⇒ Financing activity; cash inflow
19. Declared and paid a cash dividend ⇒ Financing activity; cash outflow
20. Paid cash for a new piece of equipment ⇒ Investing activity; cash outflow.
21. Purchased treasury stock for cash ⇒ Financing activity; cash outflow
22. Paid cash for stock in another company ⇒ Investing activity; cash outflow.
23. Received interest on a long-term bond investment ⇒ Operating activity; cash outflow.
24. Received cash for sales ⇒ Operating activity; cash outflow.
25. Sold a long-term stock investment for cash at book value ⇒ Investing activity; cash inflow.