A five-year project requires an additional commitment of $100,000 in net working capital. What is the present value opportunity cost associated with this investment?

1) $100,000

2) the present value of $100,000, discounted at the firm's cost of capital

3) no opportunity cost is involved

4) the value of $100,000, netted against the discounted present value of the $100,000 of working capital returned at the end of the project.