A project has the following cash flows:

Year

$0$

$1$

$26,222$

$36,222$

$4,6,222$

$5,6,222$

$6,6,222$

$7,6,222$

$86,222$

$9,6,222$

$10,6,222$

The payback period for this project is $q,$ years.