Which is most true about loyalty programs?

	A.	They are basically offensive in nature; i.e., they attract new customers.
	B.	Over 85% of members are active in the loyalty programs they belong to.
	C.	They are basically defensive in nature; i.e., they won't attract many new customers but rather prevent current ones from defecting.
	D.	Restaurants are the number one sector for loyalty program members.
	E.	Most loyalty programs are profitable.