Pharoah Solutions, Inc., has just invested $5,443,400 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 $553,000,$621,200,$1,071,800, $1,238,300,$2,101,200, and $1,968,000 over the next six years: (Round answer to 2 decimal places, eq. 15.25.) What is the payback period of this investment