1. Consider a binomial model. The current value of a stock is $50 and the strike price for a call option is $52. The up factor is equal to 1.15 and the down factor is equal to 0.90. The risk-free rate is 3%. What is the value of the call option?
2. Consider a binomial model. The current value of a stock is $70 and the strike price for a put option is $67. The up factor is equal to 1.10 and the down factor is equal to 0.80. The risk-free rate is 5%. What is the value of the put option?