Vacation tours to Europe invariably package visits to disparate regions: cities, mountains, and the seaside. Bundling, a type of second degree price discrimination, is most profitable when: Group of answer choices the preference rankings of vacationers travelling together are negatively correlated. a preference for cities is always higher than preferences for mountain vistas. preference rankings of vacationers travelling together are positively correlated. preference for the seaside is always higher than preferences for city excursions.