Robbins Corp. frequently invests excess funds in the Mexican money market. One year ago, Robbins invested in a one$-$year Mexican money market security that provided a yield of $25$ percent. At the end of the year, when Robbins converted the Mexican pesos to dollars, the peso had depreciated from $$\mathrm{.}12$ to $$\mathrm{.}11.$ What is the effective yield earned by Robbins?