Concept:An analogy linking an item to the institution or whole it belongs to.Explanation:Rak'ah is a unit or part of salat, just as Ghanimah is a type of revenue for Baytul mal.Ghanimah means war booty or spoils of war.In Islamic administration, all Ghanimah is brought into the Baytul mal, the public treasury.So the correct relationship is Ghanimah belongs to Baytul mal.Answer:A. Baytul mal