On Black Fridays, Most Retail Outlets Have Major Storewide Sales

On Black Fridays, most retail outlets have major storewide sales. Yet, as one of the busiest shopping days in the United States, one would expect prices to increase, not decrease. Price discrimination explains the answer to this question because price:

A) sensitive shoppers are more likely to notice tying and bundling tricks.
B) sensitive shoppers are more likely to want to stay away from Black Friday.
C) insensitive shoppers will stay away to avoid the crowds.
D) insensitive shoppers tend to wait until the last minute for Christmas shopping.