The stock price of BellsNWhistles is currently trading at $120. Over each of the next two six-month periods it is expected to go up by 15% or down by 15%. The risk-free rate is 5% per annum with continuous compounding. There are no dividends due over the life of the option. Use the binomial model of option pricing to compute: (i) the price of a European call option with a strike price of 125. (ii) the price of an American call option with a strike price of 125. (iii) the price of a European put option with a strike price of 125. (iv) the price of an American put option with a strike price of 125