What is the opportunity cost for Charlie

homework: 1. What is the opportunity cost for Charlie and patty in producing cups and plates? Who has absolute advantage in producing cups? Who has absolute advantage in producing plates? Who has comparative advantage in producing cups? Who has comparative advantage in producing plates? What is the market price? What is the result after exchange? 2.What if two individuals are exactly the same? They all have the same DNA. What if they are twin brother? What are the benefits of sharing and co- operation at this time? Is specialization necessary now