During $1995,$ the Mexican peso exchange rate rose from Mex$$5\mathrm{.}33/$U$.$S$.$$ to Mex$$7\mathrm{.}64/$U$.$S$.$$ $($note that Mex $ is the symbol of mexican peso$).$ At the same time, U$.$S$.$ inflation was approximately $3\%$ in contrast to Mexican inflation of about $48\mathrm{.}7\%.($a$)$ By how much did the nominal value of the peso change during $1995?($b$)$ By how much did the real value of the peso change over this period? $($hint: you need to convert nominal value to real value before computing the real changes$)$