Over the Last Ten Years Productivity Grew More Slowly in Iberia

Multiple Choice

Over the last ten years productivity grew more slowly in Iberia than in Aire while the population and total hours worked remained the same in both countries.It follows that

A) real GDP per person must be lower in Iberia than in Aire.
B) real GDP per person grew more slowly in Iberia than in Aire.
C) the standard of living must be higher in Iberia than in Aire.
D) All of the above are correct.