ANSWER ALL QUESTIONS (C) The strike price of a European call option is $20, the current price of the underlying stock is $15, the risk-free rate of return is 5% and each year the stock can either increase by a factor of 1.5 or decrease by a factor of 0.9. If the probability of the stock decreasing each year( id) is 0.4, calculate the price of the call option if it is priced under the Binomial Method and expires in two years. [5 marks)