Check all that is true about the SDA default model:

		If you know the beginning pool balance and assume a 200% SDA, you can calculate what the CDX is for each month
		Under the 100% SDA assumption no one defaults when their mortgage is a few months away from being paid out
		SDA function for defaults takes the same shape as a PSA function for prepayments
		If you know the beginning pool balance and assume a 200% SDA, you can calculate what the CDR is for each month
		SDA stands for standard default assumption
		The SDA takes into account the month since origination