Bensington Glass Co$.$ is considering the expansion of it spandrel glass business line. They plan to convert an unused space of their warehouse into additional manufacturing space. They estimate the initial investment will be $$9,350,000$ and expect the new production to create additional cash flows of $$4,105,000$ in year's one through ten. If Bensington Glass uses a discount rate of $15\%,$ what is the project's discounted payback period?

$3\mathrm{.}25$

$4\mathrm{.}16$

$2\mathrm{.}99$

$2\mathrm{.}28$