Which of the Following Would Be Likely to Raise Your

Multiple Choice

Which of the following would be likely to raise your opportunity cost of attending a big basketball game this Sunday night?

A) ​A friend calls you up and offers you free tickets to a concert by one of your favorite bands on Sunday night.
B) ​Your employer offered you double your usual wage to work this Sunday night.
C) ​Late Friday afternoon, your physics professor makes a surprise announcement that there will be a major exam on Monday morning.
D) ​All of the above would likely raise the opportunity cost of attending the game.