A stock has an average rate of return of $11\mathrm{.}5\%$ and a standard deviation of $12\mathrm{.}8\%.$ What is the probability that the stock will lose more than $26\mathrm{.}9\%$ in any one year?

A$)0\mathrm{.}50\%$

B$)1\mathrm{.}00\%$

C$)1\mathrm{.}25\%$

D$)2\mathrm{.}50\%$

E$)5\mathrm{.}00\%$