How many years will it take to payback an investment of $100,000 given annual end-of-year cash flows of: $25,000, $30,000, $35,000, $40,000, $55,000? (Use nominal dollars rather than discounted dollars in the payback calculation.)

a.

3.25 years

b.

3.50 years

c.

3.75 years

d.

4 years