Suppose your firm is considering investing in a project with the cash flows shown below, that the required rate of return on projects of this risk class is 7 percent, and that the maximum allowable payback and discounted payback statistics for the project are 2.5 and 3.5 years, respectively. Time: 0 1 2 3 4 5 6 Cash flow –$4,800 $1,140 $2,340 $1,540 $1,540 $1,340 $1,140 Use the payback decision rule to evaluate this project. (Round your answer to 2 decimal places.) Payback years.