Question 4 20 pts Use a binomial model to calculate the value of both an American call option and a European call option on a stock that pays a 5 dividend at the end of the first quirtit. The action cives in six months. and the exercise preces $20. The current stock price 530 and the annual standard deviation of stock price is 45% (this implies that the stock price may rise by 25% rachquarter or the stock price mayat by 203 each quarter the risk free rate is a quarterly 3, the annual risk free rate is 125580 Tv 33 3 Question 4 20 pts Use a binomial model to calculate the value of both an American call option and a European call option on a stock that pays a 5 dividend at the end of the first quirtit. The action cives in six months. and the exercise preces $20. The current stock price 530 and the annual standard deviation of stock price is 45% (this implies that the stock price may rise by 25% rachquarter or the stock price mayat by 203 each quarter the risk free rate is a quarterly 3, the annual risk free rate is 125580 Tv 33 3