Multiple Choice O pizza in East Lothian is 1 beer. O beer in West Lothian is 1/2 a pizza. O beer is 1/2 a pizza in both countries O pizza is 2 beers in both countries20 20 13 1/3 Beer 10 Beer 10 10 20 30 Pizza 10 20 Pizza West Lothian East Lothian Refer to the above diagrams. The solid lines are production possibilities curves, the dashed lines are trading possibilities curves. The opportunity cost of producing a