Solve using the formula for the effective annual yield, $y=(1+\frac{r}{n}{)}^n-1.$

A passbook savings account has a rate of $11\mathrm{.}3\%.$ Find the effective annual yield if the interest is compounded semiannually.

A$)11\mathrm{.}7\%$

B$)11\mathrm{.}5\%$

C$)11\mathrm{.}4\%$

D$)11\mathrm{.}6\%$