public void findBestSystemEP() {
		for (SoftwareSystem softwareSystem : systemsEP)
			softwareSystem.refine();
		bestSoftwareSystemEP = systemsEP.get(0);
		worstSoftwareSystemEP = systemsEP.get(0);
		for (SoftwareSystem softwareSystem : systemsEP) {
			if (softwareSystem.getSystemConsumptionEP() < bestSoftwareSystemEP.getSystemConsumptionEP())
				bestSoftwareSystemEP = softwareSystem;
			else if (softwareSystem.getSystemConsumptionEP() > worstSoftwareSystemEP.getSystemConsumptionEP())
				worstSoftwareSystemEP = softwareSystem;
		}
	}