For a 6-month European put option on a stock, you are given: (i) The stock price is 150. (ii) The strike price is 160. (iii) u = 1.3 and d = 0.7. (iv) The (annual) continuously compounded risk-free rate is 6%. (v) There are no dividends. The option is modelled with a 2-period binomial tree. Determine the option premium. (the answer is: 30.2985)