The price on a stock is currently set at E12.50. The risk free interest rate is 3.974% p.a. After three periods, the price has moved to E23.46 in the best case (three upward movements) and it holds that d = ! a) Calculate the value of a European Call option with exercise price K = $14 and a maturity of 6 weeks. ( b) What is the price of this option after two weeks if the price moved upwards? (5) c) Calculate the value of an American Call option with exercise price K = $14 and a maturity of 6 weeks. (6) d) Calculate the value of an American Put option with exercise price K = E14 and a maturity of 6 weeks. (6)