For the following examples, mention the type of price discrimination and explain why it is so

• A customer pays a $10 cover charge to enter a bar and then pays $5 for each beverage.

• Certain hotels offer promotional strategies in which kids under 12 eat free at the hotel's restaurant.

• BOGOs, i.e., buy-one, get-one-free offers.

• As practiced by book publishers, versioning involves first selling the hardcover edition of a book and then switching to a paperback edition to sell additional copies.

• In many areas of the country, electricity customers pay a set per unit price for each of the first X kilowatts and a lower per unit price for any additional kilowatts of electricity consumed in a month.