In the Accompanying Graphs, the Pre-Migration Labor Force in Country

In the accompanying graphs, the pre-migration labor force in country A is 100 and in country B it is 150. What part of domestic output in country B is the total wage bill before and after the immigration?

A) $1,700M before and $2,250M after
B) $2,250M before and $1,700M after
C) $1,500M before and $2,250M after
D) $1,700M before and $1,500M after