Present value information for three investment alternatives is shown below:

Investment alternative	A	B	C
Present value of cash inflows	$ 125,000	$ 30,000	$ 80,000
Present value of cash outflows	$ 110,000	$ 25,000	$ 75,000

Based on this information alone

a) investment alternative A has the highest return on investment.

b) investment alternative B has the highest return on investment.

c) investment alternative C has the highest return on investment.

d) all three investment alternative are producing the same return on investment.