You are considering a project with an initial cost of $6,400.

You are considering a project with an initial cost of $6,400. What is the payback period for this project if the cash inflows are $900, $1,350, $2,800, $1,350, and $500 a year over the next five years, respectively?

2 years

3 years

4 years

4.5 years

5 years