Which statement is NOT TRUE about a Z tranche security?

		A Z tranche does not get any payment until all other tranches are paid off
		The interest on a Z tranche gets used for interest payments on more senior tranches
		A Z tranche has a higher coupon rate than the more senior A-tranche
		A Z tranche has a higher WAL than the more senior A-tranche
		A Z tranche gets it's name from a Zero-coupon bond