An investment of $700,000 is expected to generate the following cash flows:

Year 1	$200,000
Year 2	$200,000
Year 3	$100,000
Year 4	$200,000
Year 5	$100,000

What is the investments payback period?

Group of answer choices

a) 7 years

b) 5 years

c) 3 years

d) 4 years