Tsai Enterprises has a bond outstanding with $25$ years to maturity, a $6\%$ coupon paid semiannually, and a $$1,000$ par value. The bond has a $5\%$ nominal yield to maturity, but it can be called in $5$ years at a price of $$1,050.$ What is the bond$$s nominal yield to call?

a$.1\mathrm{.}89\%$

b$.3\mathrm{.}78\%$

c$.4\mathrm{.}15\%$

d$.4\mathrm{.}50\%$

e$.5\mathrm{.}00\%$