U.S.A. and Canada each produce two goods, an educational product and a medical product. U.S.A is endowed with 2,000 units of labor, and Canada is endowed with 1,500 units of labor. The unit labor requirements are given as:

	U.S.A	Canada
Unit Labor Requirement for Educational Product	aA=0.6	aA=0.3
Unit Labor Requirement for Medical Product	aM=0.1	aM=0.3

What is the opportunity cost of producing an additional unit of the educational product in the U.S.A & Canada?