If Resources and Goods Are Free to Move Across States

Multiple Choice

If resources and goods are free to move across states and if Oregon producers choose to specialize in producing honey while California producers choose to specialize in growing almonds, then we could reasonable conclude that:

A) ​California has a comparative advantage in producing almonds.
B) ​Oregon has a comparative advantage in producing honey.
C) ​the opportunity cost of growing almonds is lower in California than in Oregon.
D) ​all of the above are true.