(b) A stock follows an It process of the form: d In S(t)=0.2dt +0.30Z(1) You are given: The current price of the stock is 55. The stock does not pay any dividends. The Sharpe ratio of the stock is 0.69. A two-year European put option on the stock has a strike price 60. Determine the price of the option. (8 marks) (b) A stock follows an It process of the form: d In S(t)=0.2dt +0.30Z(1) You are given: The current price of the stock is 55. The stock does not pay any dividends. The Sharpe ratio of the stock is 0.69. A two-year European put option on the stock has a strike price 60. Determine the price of the option. (8 marks)