(a) Explain what a put option is.
(b) Suppose that two years ago you had paid $5 for a put option with a strike price of$20, with an expiration date of two years. So far, you haven’t exercised the option.The stock is currently trading in the market for $19.30. Should you exercise your option? Why or why not?
(c) What is the intrinsic value of a call option that has a strike price of $50, if the market price is $45?