Identify the type of cash flow activity for each of the following events (operating, investing, or financing):

a. Issued preferred stock.

g. Issued bonds.

b. Net income.

h. Issued common stock.

c. Sold equipment.

i. Sold long term investments.

d. Purchased treasury stock.

j. Paid cash dividends.

e. Purchased buildings.

k. Redeemed bonds.

f. Purchased patents.