Based on the Following Information

Multiple Choice

based on the following information. A worker in the U.S. can produce either 10 chips or 20 sodas per day. A worker in Mexico can produce either 20 chips or 60 sodas per day.
-Which of the following is true?

A) The cost of chips in terms of sodas in the U.S. is 1C=3S.
B) The cost of chips in terms of sodas in the U.S. is 1/3C=1S.
C) The cost of chips in terms of sodas in the Mexico is 1C=2S.
D) The cost of chips in terms of sodas in the U.S. is 1C=2S.
E) The cost of chips in terms of sodas is 10C = 1S in both countries.