Each of the Events Below May Have an Effect on the Statement

Each of the events below may have an effect on the statement of cash flows.Designate how the event should be reported within the statement of cash flows using the codes provided below.Codes may be used more than once,or not at all.
Codes
I + $\quad$ investing activity; cash inflow
I - $\quad$ investing activity; cash outflow
F + $\quad$ financing activity; cash inflow
F - $\quad$ financing activity; cash outflow
O + $\quad$ operating activity; cash inflow
O - $\quad$ operating activity; cash outflow
NC $\quad$ noncash investing and financing activity
Events
_____ 1.Paid the weekly payroll
_____ 2.Paid an account payable
_____ 3.Issued bonds payable for cash
_____ 4.Declared and paid a cash dividend
_____ 5.Paid cash for a new piece of equipment
_____ 6.Purchased treasury stock for cash
_____ 7. Paid cash for stock in another company
_____ 8. Received interest on a long-term bond investment
_____ 9. Received cash for sales
_____ 10. Sold a long-term stock investment for cash at book value