Value a call option using binomial option pricing We will use the binomial option pricing model to value the following call option. Data: S0 = 190; X = 200; 1 + r = 1.1. The two possibilities for ST are 220 and 120. a. The range of S is 100 while that of C is 20 across the two states. What is the hedge ratio of the call? (Round your answer to 2 decimal places.) Hedge ratio 0.20 b. Calculate the value of a call option on the stock with an exercise price of 200. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Call value