show the solution step by step.

13.5. A stock price is currently $100. Over each of the next two 6-month periods it is expected to go up by 10% or down by 10%. The risk-free interest rate is 8% per annum with continuous compounding. What is the value of a 1-year European call option with a strike price of $100? 13.6. For the situation considered in Problem 13,5 . what is the value of a 1-year European put option with