There are two countries, A and B, and you have the following information about demand and supply for each country on the product X (where p is the price ratio, px/py).

Country A	Demand: p=10-Q
Country A	Supply: p=Q
Country B	Demand: p=10-2Q
Country B	Supply: p=.5Q

A) What is the autarky price ratio in country A? ... in B?

C) Graph the (three panel) demand and supply diagrams representing each coutry and the world market. Be sure to label the intercepts, equilibirum points and other relevant data.

Please, do details about intercepts, equilibrium, and relevant data.