The current spot exchange rate is $$0\mathrm{.}047$ per Mexican peso. Assume that the real interest rate is $2\%$ everywhere, and that the annual nominal interest rate is $3\mathrm{.}4\%$ in the U$.$S$.$ and $5\mathrm{.}9\%$ in Mexico. What is the approximate expected percentage change in the exchange rate $($measured in U$.$S$.$ dollars per Mexican peso$)$ according to the international Fisher effect?