Selling Tickets to Graduation Ceremonies Has Long Been a Tradition

Multiple Choice

Selling tickets to graduation ceremonies has long been a tradition among students at institutions that limit the number of guests.Suppose your classmate,Heidi,purchased two tickets for $40 each.Is this transaction economically efficient?

A) No,people should never be allowed to sell items they received for free.
B) Yes,it was a voluntary exchange that benefited both parties.
C) No,Heidi paid too much for the tickets.
D) Yes,it is efficient only from the perspective of the seller and not from the perspective of the buyer.