In a single year, the Netherlands can raise 100 tons of beef or produce 1,000 boxes of tulips. In the same growing season, Belgium can raise 50 tons of beef or produce 750 boxes of tulips.
from this information we know that:
1) Belgium has a comparative advantage in raising beef
2) Belgium has an absolute advantage in raising beef
3) The Netherlands has a comparative advantage in raising tulipes
4) The Netherlands has a comparative advantage in raising beef