Which of the following statements is CORRECT? a. Call options generally sell at a price below their exercise value, and the lower the exercise value, the lower the premium on the option is likely to be. b. Call options generally sell at a price greater than their exercise value, and the greater the exercise value, the higher the premium on the option is likely to be. c. Call options generally sell at a price below their exercise value, and the greater the exercise value, the lower the premium on the option is likely to be. d. Because of the put-call parity relationship, under equilibrium conditions a put option on a stock must sell at exactly the same price as a call option on the stock. e. If the underlying stock does not pay a dividend, it does not make good economic sense to exercise a call option prior to its expiration date, even if this would yield an immediate profit.