The price of Chive Corp. stock will be either $67 or $91 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 company's stock is $75. What is the value of the call option if the exercise price is $70 per share? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. Suppose the current price of the company's stock is $75. 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.) a. Call value b. Call value