Differentiate between absolute advantage and comparative advantage. $(4$ marks$)$

In Trinidad one unit of labor can produce $25$ barrels of oil or $25$ bushels of wheat. In St$.$ Vincent one unit of labor can make $30$ barrels of oil or $50$ bushels of wheat.

a$)$ What is Trinidad's opportunity cost of producing oil $(2$ marks$)?$ What is Triniad's opportunity cost of producing wheat? $(2$ marks$)$

b$)$ What is St$.$ Vincent's opportunity cost of producing a barrel of oil $(2$ marks$)?$ What is St$.$ Vincent's opportunity cost of producing a bushel of wheat? $(2$ marks$)$

c$)$ Does Trinidad have absolute advantage in producing anything? Explain. $(1$ mark$)$

d$)$ Does Trinidad have comparative advantage in producing anything? Explain. $(1$marks$)$

e$)$ Does St$.$ Vincent have comparative advantage in producing anything? Explain. $(1$ marks$)$

Define the Balance of Payments accounts and identify the items in the current account. $(5$ marks$)$