Call option A has an exercise price of $20. Call option B has an exercise price of $15. If all other characteristics of these options are identical and they are on the same underlying asset, which option will have a higher price? A. Call option A will have a higher price. B. Call option B will have a higher price. C. Call option A and call option B will have the same price. D. Its impossible for two options on the same underlying asset to have different exercise prices.