What is the payback period for the following set of cash flows?

Year Cash Flow

$0$$ $5,700$

$12,400$

$21,400$

$32,200$

$42,800$

Multiple Choice

$3\mathrm{.}01$ years

$2\mathrm{.}88$ years

$2\mathrm{.}81$ years

$2\mathrm{.}86$ years