18. This problem will require a spreadsheet or programming effort. The initial stock price...

18. This problem will require a spreadsheet or programming effort. The initial stock price is given to be $100. We wish to price European calls and puts with strike price $100. The option maturity is T = 1 year and the risk-free rate of interest is 5% per annum. If the volatility is then price the call and the put using the JR model. Assume you use a binomial tree comprising n = 30 periods.