Answer:
   Transaction                                          Type of Activity        Cash Inflow or
                                                                                                     Cash Outflow
1 Payment of employee salaries            Operating                  Cash outflow
2. Sale of land for cash                           Investing                    Cash Inflow
3. Purchase of rent in advance              investing                    Cash outflow
4.Collection of an account receivable   Operating                  Cash inflow
5.Issuance of common stock                  Financing                   Cash inflow
6.Purchase of inventory                          Operating                   Cash outflow
7.Collection of notes receivable             Investing                   Cash inflow
8.Payment of income taxes                    Operating                  Cash outflow
9. Sale of equipment for a note recei.    Non cash                  No effect
10. issuance of bonds                              Financing                  Cash inflow
11. Loan to another firm                           Investing                   Cash outflow
12. Payment of a long term note pay.     Financing                 Cash outflow
13. Purchase of treasury stock                Financing                 Cash outflow
14. Payment of an account payable        Operating                Cash outflow
15. Sale of equipment for cash              Investing                     Cash inflow        
Explanation:
Statement of cash flows shows the cash generated and expended by an entity during an accounting period. The statement divides the inflow and outflow of cash into three sections: operating, investing and financing activities. 
Operating activities contain activities relating to cash inflow and outflow  of  entity`s primary operation during a given year. Example of this inflow and outflow are cash receipt from customers and cash payment to vendors.
Investing activities contain activities relating to entity`s investment in assets. Example includes cash received from disposal of an asset.
Financing activities contain activities relating to entity`s relationship with provider of capital like equity owner and debt holder.
Cash inflow refers incoming of cash into the business. Example includes cash received from customers. Cash outflow refers to outgoing of cash from the business.  Example includes cash paid to vendors.