Xanthe Corporation had the following transactions occur in the current year:

1.Cash sale of merchandise inventory

2. Cash sale of delivery truck at book value

3. Sale of Xanthe common stock for cash

4. Issuance of a note payable to a bank for cash

5. Sale of a security held as a trading investment

6. Collection of loan receivable

How many of the above items will appear as a cash inflow from investing activities on a statement of cash flows for the current year? Please explain which ones.