The initial investment includes the machinery required for the production line which costs $320,000. Other expenses were included in the expected cash flows. The new machinery has a useful life of 4 years and an estimated residual value at the end of the 4^thyear of $80,000. Depreciation is the only non-cash expense.

The net cash flows of each year in the following 4 years are estimated as follows:

Initial investment:$320,000

Year 1:10,000

Year 2:80,000

Year 3:140,000

Year 4:120,000

Estimated sale of machinery:80,000

The manager of the company asked you to evaluate the investment to make a decision whether the company would invest or not in this machinery. You evaluate the investment using the three investment decision methods you know.

The required rate of return of the company is 10% and the maximum payback period acceptable for the company is 3 years