Which security should sell at a greater price?

Which security should sell at a greater price? a. A 10-year Treasury bond with a 6.5% coupon rate versus a 10-year T-bond with a 7.5% coupon. O A 10-year T-bond with a 7.5% coupon. O A 10-year Treasury bond with a 6.5% coupon rate. b. A 3-month expiration call option with an exercise price of $35 versus a 3-month call on the same stock with an exercise price of $30. A 3-month expiration call option with an exercise price of $30. O A 3-month expiration call option with an exercise price of $35. c. A put option on a stock selling at $40 or a put option on another stock selling at $60 (all other relevant features of the stocks and options may be assumed to be identical). O A put option on another stock selling at $60. A put option on a stock selling at $40