What is the payback period for a project with the following cash flows? Cash flows at year 0: -5,182 Cash flows at year 1: 1,139 Cash flows at year 2: 1,989 Cash flows at year 3: 2,119 Cash flows at year 4: 2,189 Cash flows at year 5: 2,892 1 year 2 years 3 years 4 years 5 years