What is the discounted payback of an investment that requires a $10$ percent minimum rate of return and has the following projected cash flows: Yr$0=-100,$ Yr$1=25,$ Yr$2=35,$ Yr$3=45,$ Yr$4=35,$ and Yr$5=30?$

A$)2\mathrm{.}83$ years

B$)4\mathrm{.}32$ years

C$)3\mathrm{.}60$ years

D$)5\mathrm{.}21$ years