2)	(Ignore income taxes in this problem) Chow Company has the following data available for an investment
	Initial investment			$142,500
	Annual savings			$30,000
	Salvage value			zero
	Life of investment			8 years
	Required rate of return			10%
	Questions below
a)	What is the payback period for the investment?
b)	Compute the net present value and show all calculations.
c)	Is this a good investment for the firm?
d)	The internal rate of return is closest to: