The WaveHouse on Mission Beach in San Diego Features the Bruticus

The WaveHouse on Mission Beach in San Diego features the Bruticus Maximus, a ten foot wave, which tests the skills of even the most talented surf and wake board riders on the planet. WaveHouse is the only place in San Diego where this service is offered. You can ride B. Max for $40 for the first hour, $33 for the second hour, and $26 for the third hour. Charging a different price for subsequent hours is a form of

A) price discrimination among groups of buyers.
B) rent seeking behavior.
C) price discrimination among units of a good.
D) monopoly regulation.