please do this question on the paper. thanks

1.4 A stock price is currently trading at $75. Over the one periods the stock will be with up 12% or down 5%. The risk-free interest rate is 4% per annum with continous compounding. The maturity is T=2. - What is the value of a 12 month European put option with a strike price of $80 at each point in the tree? - What is the stock holding, x(n) and month market holding y(n) at each point in the tree? 1.4 A stock price is currently trading at $75. Over the one periods the stock will be with up 12% or down 5%. The risk-free interest rate is 4% per annum with continous compounding. The maturity is T=2. - What is the value of a 12 month European put option with a strike price of $80 at each point in the tree? - What is the stock holding, x(n) and month market holding y(n) at each point in the tree