Kelly bought stock for $4 per share 12 years ago. Today, the stock sells for $54 per share. She is afraid the stock price will fall to $28 per share or rise to $60 is nothing bad happens. (equal chance) She can buy a put with a strike price of $55 for $5 per share. What is their expected value if buy put? (50/50)
O 24
O 56
O 45
O 51
O 48
O 40
O 54