5. The maximum value of a call option is equal to: n, the strike price minus the initial cost of the option. b. the exercise price plus the price of the underlying stock. c. the strike price. d. the price of the underlying stock. e. the purchase price. 6. Which one of the following statements is correct? a. The value of a call increases as the price of the underlying stock increases. b. The value of a call increases as the exercise price increases. c. The value of a put increases as the price of the underlying stock increases. d. The value of a put decreases as the exercise price increases. e. The intrinsic value of a put must be zero on the expiration date. 7. An increase in which of the following will increase the value of a call? I. time to expiration II. underlying stock price III. risk-free rate of return IV. price volatility of the underlying stock a. I and III only b. II, III, and IV only c. I, III, and IV only d. I, II, and III only e. I, II, III, and IV