Production Possibilities Tables for Two Countries,North Cantina and South Cantina

Multiple Choice

Production possibilities tables for two countries,North Cantina and South Cantina:
North Cantina
Production possibilities (alternatives)
South Cantina
Production possibilities (alternatives)

-Refer to the above tables.If North Cantina is producing at production alternative B,the opportunity cost of the eleventh unit of consumer goods will be:

A) 10 units of capital goods.
B) ¹/₄ of a unit of capital goods.
C) 8 units of capital goods.
D) ¹/₈ of a unit of capital goods.