Just question B please

1. == = = Consider a two period (t = 0, 1, 2) binomial model with u = 1.2, d= .9, continuously compounded interest rate r = 4.879%, and S = 100. The stock will pay no dividends. a. What are the values of European call and put options with strike prices of $115 expiring at time 1? b. What are the values of European call and put options with strike prices of $115 expiring at time 2? c. What are the prices of otherwise identical American options? Does Put-Call Parity hold