2. Suppose there are call options on a stock at an expiration date of T with strike prices of $30 and $35, respectively. There are also put options on the same stock at the same expiration date T with strike prices of $30 and $35. The current stock price is $32. (1) How can the options be used to long a put bear spread? Draw out the payoff diagram of the bear spread. (2) How can the options be used to short a strangle? Draw out the payoff diagram. (3) What are the reasons for shorting strangles?