Please clearly indicate your answers!

Problem 9a: Consider a 2 period Binomial Tree Model for stock in which the original stock price is 100 and U=1.25 and p=0.5. Find the expected value of a put option at expiration with a strike price of 120 . Your final answer should be correct to 3 places after the decimal point. The expected value of the put option is per share quoted price. b. If interest rates are 10% per annum continuously compounded and there are 6 months to expiration, then find the value of the put now. Your final answer should be correct to 3 places after the decimal point. The value of the put now is per share quoted price