The Exchange Rate for the Mexican Peso Changes from $1

The exchange rate for the Mexican peso changes from $1 = 5 pesos to $1 = 6 pesos. This change will lead to

A) U.S. goods becoming less expensive for Mexicans.
B) Mexican goods becoming more expensive for Americans.
C) an increase in U.S. exports to Mexico.
D) a decrease in U.S. exports to Mexico.