Wingler Ltd$.\text{'}$s outstanding bonds have a $$1,000$ par value, and they mature in $15$ years. Their nominal annual yield to maturity is $12\%,$ they pay interest semiannually, and they sell at a price of $$779\mathrm{.}76.$ What is the bond's nominal coupon rate?

a$.8\mathrm{.}80\%$

b$.9\mathrm{.}50\%$

c$.10\mathrm{.}20\%$

d$.10\mathrm{.}90\%$

e$.11\mathrm{.}60\%$