2. Three-month European put options with strike prices of $50, $55, and $60 cost $2, $4, and $7, respectively. a) What is the maximum gain when a butterfly spread is created from the put options? b) What is the maximum loss when a butterfly spread is created from the put options? c) For what two values of Sy does the holder of the butterfly spread break even with a profit of zero, where St is the stock price in three months