If $D_0=$$$3\mathrm{.}15,g($which is constant$)=3\mathrm{.}5\%,$ and $P_0=$$$71,$ then what is the stock's expected dividend yield for the coming year?

a$.4\mathrm{.}81\%$

b$.4\mathrm{.}44\%$

c$.4\mathrm{.}29\%$

d$.4\mathrm{.}59\%$

e$.4\mathrm{.}75\%$