Calculate the payback period for an investment project with the following After Tax Cash Flow, assuming a discount rate of 14% annually. Note: Please enter the payback period to the second significant decimal place. For example, if you calculate a payback period of two and a half years, you would enter 2.50 in the space below. Year 0 ATCF -1,000 1,500 800 1,000 1,200 1,200 2 3 4