Answer:
Opportunity cost = $60
Step-by-step explanation:
Data provided:
Face value of the concert = $50
Ticket value = $40
Selling price of a ticket = $40
U2 concert price = $60
Now the opportunity cost of attending the U2 concert is
= U2 concert price
= $60
As we have to find out the opportunity cost of U2 so we considered only the price which is charged to attending the U2 concert