A project has an initial cost of $$7,900$ and cash inflows of $$2,100,$ $$3,140,$ $$3,800,$ and $$4,500$ a year over the next four years, respectively. Assume a discount rate of $10\%.$ What is the discounted payback period?

Group of answer choices

$3\mathrm{.}56$ years

$3\mathrm{.}18$ years

$2\mathrm{.}86$ years

$4\mathrm{.}52$ years

$2\mathrm{.}94$ years