For each of the items below. indicate whether it is 

(1) A cash flow from an operating activity. 

(2) A cash flow from an investing activity. 

(3) A cash flow from a financing activity. 

(4) A noncash investing and financing activity.

(5) None of the above.

a. Paid cash to retire bonds payable al a loss.

b. Received cash as settlement of a lawsuit.

c. Acquired a patent in exchange for common stock.

d. Received advance payments from customers on orders for custom-made goods.

e. Gave large cash contribution to local university.

f. Invested cash in 60-day commercial paper (a cash equivalent).