A $$5,000,3\mathrm{.}2\%$ coupon, twenty$-$year Ontario Hydro bond was issued on March $15,2019.$ Calculate its flat price on and September $15,2030,$ if the yield to maturity on the date was $6\%$ compounded semiannually.

Multiple Choice

$$4,984\mathrm{.}43$

$$4\mathrm{.}454\mathrm{.}97$

$$4\mathrm{.}900\mathrm{.}11$

$$4290\mathrm{.}62$

$$4271\mathrm{.}97$