public void updateHousehold(Household hh) throws InstanceNotFoundException {
		boolean found = false;
		Iterator<Household> iter;
		iter = households.iterator();
		while (iter.hasNext() && !found) {
			Household h = iter.next();
			if (h.equals(hh)) {
				found = true;
				h.setMentored(hh.getMentored());
				h.setBills(hh.getBills());
				h.setRepresentative(hh.getRepresentative());
				h.setRepresentative1(hh.getRepresentative());
			}
		}
		if (!found) {
			throw new InstanceNotFoundException(hh,"Household");
		}
	}