Suppose That the CFL Wants to Give the "Common Fan

Suppose that the CFL wants to give the "common fan" the opportunity to attend the Grey Cup,so it sets Grey Cup prices "low"-let's say that they set ticket prices for a regular seat at the Grey Cup to cost just $100.People who have tickets,however,can turn around and sell them online for $1 000 or more.If there are no transaction costs for fans with tickets to sell them,the true cost to a fan of attending the Grey Cup is:

A) at most $100.
B) at least $1 000.
C) the monetary price paid to obtain the ticket.
D) $900 less than the opportunity cost of a ticket.