Current Attempt in Progress Sunland Bancorp has made an investment in banking software at a cost of $1,706,200. If management expects productivity gains and cost savings to generate additional cash flows of $596,900, $627,600, $429,600, and $342,760 over the next four years, what is the investment's payback period? (Round answer to 2 decimal places, e.g. 15.25.) Payback period is years