A project has an initial cost of $$9,580.$ The cash inflows are $$2,500,$$$5,200,$

$$8,700,$ and $$12,600$ over the next four years, respectively. What is the

payback period?

Multiple Choice

$3\mathrm{.}03$ years

$1\mathrm{.}71$ years

$2\mathrm{.}22$ years

$2\mathrm{.}46$ years

$3\mathrm{.}76$ years