A Friend Comes Up to You and Offers You a Free

Multiple Choice

A friend comes up to you and offers you a free ticket to a professional baseball game that night.You decide to attend the game.The game takes five hours and costs you $15 for transportation.If you had not attended the game,you would have worked at your part-time job for $8 an hour.What is the cost to you of attending the game?

A) The cost is zero-the ticket is free.
B) $65
C) $40
D) $55