1. In response to Energizer's introduction of the Energizer Ultra battery, Duracell introduced an Advanced Formula battery. But unlike Energizer, Duracell priced its batteries at a low initial price, believing that consumers were too price sensitive to pay more in this category. In this case, Duracell used:

   	A.	skimming pricing.
   	B.	price lining.
   	C.	prestige pricing.
   	D.	cost-plus fixed-fee pricing.
   	E.	penetration pricing.