On August $8$th the$$ six$-$month risk$-$free rate of interest in Switzerland was $3$ percent. If the spot exchange rate for dollars for Swiss francs is $0\mathrm{.}9241$ and the$$ six$-$month forward exchange rate is $0\mathrm{.}9268,$ what would you expect the U$.$S$.$ six$-$month risk$-$free rate to$$ be$?$

The U$.$S$.$ six$-$month risk$-$free rate is $......\%$