Which of the following is not an example of a two-part pricing scheme

Which of the following is not an example of a two-part pricing scheme in the context of price discrimination?

A) A customer pays full price for the first 10 copies of a software program and then receives a 10 percent discount on each additional copy it buys.
B) A firm, e.g., Sam’s Club or Costco, charges a membership fee that is separate from the price paid for items purchased from the firm.
C) A customer pays a $10 cover charge to enter a bar and then pays $5 for each beverage.
D) An amusement park charges an admission fee and then charges a per unit price for each of the rides offered by the park.

ANSWER

A