At one CVS drugstore, a four-pack of Energizer AA batteries was on sale at 2.99 USD compared with a Duracell four-pack at 4.59 USD. The Duracell market share dropped 2 percent in a recent two-year period, and its profits declined over 30 percent. Why did this happen? O The price differential was too high. O There are valid alternatives for batteries. O The customer perceived the products to be different. O The market for batteries is saturated