Indicate which of the relationships would be best to judge:

a) The short-term debt-paying ability of the firm.

b) The overall efficiency of the firm without regard to the sources of assets.

c) The return to owners (stockholders) of a corporation.

d) The safety of long-term creditors interest.

e) The safety of preferred stockholders dividends.

f) How much net income generate on every share of common stock.