Below Is Production Possibilities Data for the Countries of Mental

Below is production possibilities data for the countries of Mental and Etheric.

-Refer to the information above to answer this question.What is the opportunity cost of one unit of soya milk in Etheric?

A) 0.5 units of rice cakes.
B) 0.75 units of rice cakes.
C) 1.33 units of rice cakes.
D) 20 units of rice cakes.
E) 40 units of rice cakes.