Please explain the WHY for each of the following:

What in the world? There's NO MORE information required. This on the left and that on the right need to be matched and it's already matched. I'd just like to know the WHY behind the answers.

TRANSACTIONS NUMBER CLASSIFICATION 1. Not reported for the statement of cash flows 2. Noncash financing and investing activity Payment of cash dividends. 3. Financing cash outflow Purchase of treasury stock. Investment of excess cash in an interest-bearing security classified as a cash equivalent. Appropriation of retained earnings for expansion of the R&D program. Acquisition of equipment under a finance lease agreement. 4. Financing cash inflow 5. Not reported for the statement of cash flows