Suppose that cash flows of a project are given as follows: Year 0 : Costs: $100,000. Year 1 : Costs: $20,000. Savings: $70,000. Year 2 : Costs: $20,000. Savings: $80,000. Year 3 : Costs: $20,000. Savings: $90,000. Year 4 : Costs: $20,000. Savings: $100,000. It is known that MARR is 10% and all cash flows occur at the end of the year, what is the project's Payback Period? 1 Year 2 Years 3 Years 4 Years This project does not pay back