Your dad wants to give you something for your birthday, but he wants to do it in the form of a game. He placed your gift behind one of the three doors, two of which have nothing and only one has your gift. You have to choose one of the doors, door 1, door 2 or door 3. After you have chosen one, your father will open one of the doors that has nothing behind it and will tell you if you want to keep the original selection or change the door. Using Excel perform a Monte Carlo simulation for all possible scenarios. Generate 50 replicas.