Suppose you bought a concert ticket from Ticketmaster for $50, but when you got to the concert scalpers (individuals who re-sell tickets at the event) were selling tickets in the same seating area as yours for $25. What is probably true?

A.The Ticketmaster price is an equilibrium price.

B.There is an excess supply of tickets for this concert at the Ticketmaster price.

C.The ticket you bought was under-priced for the market.

D.There is excess demand for this concert at the Ticketmaster price.

正确答案：There is an excess supply of tickets for this concert at the Ticketmaster price.