Pharoah Solutions, Inc., has just invested $5,631,700 in new equipment. The firm uses a payback period criteria of rejecting any project that takes more than four years to recover its costs. Management anticipates cash flows of $689,500, $670,200, $923,400, $1,698,200, $2,241,600, and $2,443,600 over the next six years. (Round answer to 2 decimal places, e.g. 15.25.) What is the payback period of this investment?

Should Pharoah Solutions, Inc. go ahead with this project?