11:38 O. You Today, 03:49 2. (a) Sketch the graph of the payoff diagram for the following portfolio: long a Euro- pean call option with exercise price 10, long three European call options with exercise price 30, and short a share. All options share the same expiration date, (b) A bear spread is a portfolio consisting of a short position in a put option with strike price ki, and a long position in a put option with strike price K, where K;