The price of Ervin Corp. stock will be either $83 or $113 at the end of the year. Call options are available with one year to expiration. T-bills currently yield 4 percent. a. Suppose the current price of the stock is $93. What is the value of the call option if the exercise price is $80 per share? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. Suppose the exercise price is $105 and the stock price is $93. What is the value of the call option now? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) a. Value of the call option b. Value of the call option