Sautéed, a Restaurant in California, Specializes in Sautéed Food

Sautéed, a restaurant in California, specializes in sautéed food.The restaurant conducts a month-end bash, featuring well-known DJs, on the last Saturday night of every month, and it is a crowd puller.The restaurant offers event-passes to regular customers (customers who've been billed at least $3,000 during the current month) for free.A limited number of passes are available to other customers, at a very high price, one day prior to the event.Which of the following principles of influence is being used by the restaurant?

A) Liking
B) Authority
C) Scarcity
D) Consistency
E) Transparency