Calculate the profit or loss per share of stock to an investor who buys a call option on a stock whose price is K90 but a call option exercise price if K100 if the stock price at expiration is K105. (4 marks) Calculate the profit or loss for a purchaser of a put option with the same exercise price and expiration? (4 marks) (e) Suppose XYZ were to do a share split of two to one and the share