15. Consider a European call option for 100 shares of XYZ Corporation with a strike price of $150 per share that matures in 18 months. What rights does the buyer of the option have? A) Between now and 18 months from now, the buyer has the right to buy 100 shares of XYZ. B) Between now and 18 months from now, the buyer has the right, but not the obligation to purchase 100 shares of XYZ Corporation for $i50 per share. C) At the maturity date, 18 months from now, the buyer has the right but not the obligation to sell 100 shares of XYZ Corporation for $150 per share. D) At the maturity date, 18 months from now, the buyer has the right but not the obligation to purchase 100 shares of XYZ Corporation for $150 per share