Answer:
a) attached below
b) Wheat production
c) Yes there is a possible trade that benefits both countries
d) attached below
Step-by-step explanation:
Opportunity cost can be expressed as
= Value/cost of alternative / value/cost of chosen alternative
a) Draw each country's production possibility curve
attached below
b) United state have a comparative advantage in Wheat production because of lower opportunity cost
c) The possible trade that would benefit both countries is when both countries trade on goods that they have lower comparative opportunity cost
i.e. Japan producing just Bolt cloths while United states produce Wheat alone
d) combined production possibility curve
attached below