done with #1,#2 please help with #3

1) A stock price is $10 now. In 1 month it can go to $11 or $9. The annual interest rate is 5% with continuous compounding. Using risk-free portfolios, determine the value of the one-month European put with strike price 10.5 and European call with strike price 10. 2) Use risk-neutral valuation to calculate the probabilities that will give you the put and call prices in problem 1. 3) Construct trading strategies in stock only that replicate each of the two options of problem 1. That means construct: a) synthetic long put strategy with strike price 10.5 b) synthetic long call strategy with strike price 10 What is the cost of each synthetic trading strategy? 1) A stock price is $10 now. In 1 month it can go to $11 or $9. The annual interest rate is 5% with continuous compounding. Using risk-free portfolios, determine the value of the one-month European put with strike price 10.5 and European call with strike price 10. 2) Use risk-neutral valuation to calculate the probabilities that will give you the put and call prices in problem 1. 3) Construct trading strategies in stock only that replicate each of the two options of problem 1. That means construct: a) synthetic long put strategy with strike price 10.5 b) synthetic long call strategy with strike price 10 What is the cost of each synthetic trading strategy