Suzanne's Cleaners is considering a project that has the following cash flow data.

What is the project's payback?

Year $0,1,2,3,4,5$

Cash flows $-$$$1,100,$$$300,$$$310,$$$320,$$$330,$$$340$

$2\mathrm{.}85$ years

$3\mathrm{.}16$ years

$3\mathrm{.}52$ years

$2\mathrm{.}31$ years

$2\mathrm{.}56$ years