A hardware store generally sells roughly equal numbers of Maxlast brand hammers and Styron brand hammers  Last week, all of the Maxlast hammers were put on sale and placed in a display case just inside the store entrance while the Styron hammers retained their usual price and location
Surprisingly, the Styron hammers slightly outsold the Maxlast hammers
For the first several seconds after shoppers enter a store, they do not take detailed notice of the store's merchandise.