4. As of market close on Wednesday 4/20, the marijuana company Aurora Cannabis's stock closed at a price of $3.23. a) If there are 109.5 million shares of Aurora Cannabis outstanding, what is the market capitalization of the company? b) Suppose you buy a call option that covers 10 shares of Aurora Cannabis, at a strike price of $3.50. On the day of expiration, Aurora Cannabis closes at exactly $3.50. What is the value of the call option at that time?