An Example of Price Discrimination Is When

An example of price discrimination is when:

A) movie theaters do not allow children into R-rated movies without a parent or guardian.
B) you can purchase a new PC for half the price of a new Mac, even though they are both computers.
C) Procter & Gamble charges $9 for a bottle of Tide laundry detergent, while the store brand costs the consumer significantly less, despite being somewhat similar products.
D) out-of-state students pay more for the same education as in-state students.
E) a single box of Froot Loops costs $3.50, but when purchased in a case of six, it costs only $3.00 per box.