The initial investment is $$73,181\mathrm{.}53$ for a four$-$year project. The cost of capital is $7\%.$ Expected cash flows over the next four years are given below:

$\backslash$table$[[$Years$,$Cash Flow $($$$)],[1,9,000],[2,33,000],[3,17,000],[4,48,000]]$

What is the DPB of the project?

$3\mathrm{.}5$ years

$3\mathrm{.}8$ years

$3\mathrm{.}7$ years

$3\mathrm{.}9$ years

$3\mathrm{.}6$ years