Builtrite is considering the purchase of a machine with the following cash flow diagram:

year 0 spend $80,000

year 1 $40,000

year 2 $25,000

year 3 $20,000

year 4 $20,000

What is the payback period?

Group of answer choices

2.25 years

2.75 years

3.25 years

3.75 years