(Table: Production Possibilities for the United States and Mexico)According to the Table

(Table: Production Possibilities for the United States and Mexico) According to the table on Production Possibilities for the United Statesand Mexico, Mexico's opportunity cost of producing each ton of potatoesis ______, while the United States' opportunity cost of producing each tonof potatoes is ______.

A) 0.125 tons of potatoes; 0.2 tons of potatoes
B) eight tons of corn; 0.2 tons of potatoes
C) eight tons of corn; five tons of corn
D) five tons of corn; 0.2 tons of corn