Intro

The current spot exchange rate is $$0\mathrm{.}042$ per Mexican peso. Assume that the real interest rate is $2\%$

everywhere, and that the annual nominal interest rate is $4\%$ in the U$.$S$.$ and $4\mathrm{.}6\%$ in Mexico.

Part $1$

What is the approximate expected exchange rate $($measured in U$.$S$.$ dollars per Mexican peso$)$

according to the international Fisher effect?