Where do the relative autarky prices come from in the Specific Factors model?

Group of answer choices

a.We don't know. We need the Heckscher-Ohlin Model to study relative autarky prices with multiple factors of production.

b.The relative autarky prices are determined by the relative productivity of labor.

c.The relative autarky prices are determined by government policy.

d.The relative autarky prices are determined by the relative endowments.