4. In a Ricardian world, it is known that Pakistan can produce a maximum of 4 (million yards) of cloth or 1 ton of chocolate, while Belgium can produce a maximum of 4 tons of chocolate or 4 (millions yards) of cloth. 1! points a) Graphically illustrate the PPF and CPF of each country under autarky. . b) Who has absolute advantage in producing what (this is tricky)? Why? Who has comparative advantage in producing what? Why? c} Suppose each country specialize in the good they have comparative advantage in. Discuss the lower and upper bound of the TOT (Tenns of Trade) using Belgium as the reference country. d) Suppose the actual TOT is the midpoint of the above range, graphically show the PPF, production point, and CPF for Belgium. Are there gains from 'ee trade? How can you tell