Question $10$

Exhibit $34-9$

$\backslash$table$[[$Country X$,$Country Y$],[$Good A$,$Good B$,$Good A$,$Good B$],[90,0,60,0],[60,10,40,10],[30,20,20,20],[0,30,0,30]]$

Refer to Exhibit $34-9.$ Which of the following statements is true?

Country X has a comparative advantage in the production of good A $.$

Country $Y$ has a comparative advantage in the production of good $B.$

It would be better for country $x$ to specialize in $($the production of$)$ and trade good A than to specialize in and trade good B$.$

a and $c$

$$ a$,$ b$,$ and c