Which security should sell at a greater price? a. A 10-year Treasury bond with a 6.0% coupon rate versus a 10-year T-bond with a 7.0% coupon. A 10-year Treasury bond with a 6% coupon rate. O A 10-year T-bond with a 7% coupon. b. A 3-month expiration call option with an exercise price of $50 versus a 3-month call on the same stock with an exercise price of $45. O A 3-month expiration call option with an exercise price of $50. A 3-month expiration call option with an exercise price of $45. c. A put option on a stock selling at $80 or a put option on another stock selling at $85 (all other relevant features of the stocks and options may be assumed to be identical). A put option on a stock selling at $80. O A put option on another stock selling at $85