Which security should sell at a higher price?

a.A 10 year treasury bond with a 9% coupon rate versus a 10 year treasury bond with a 10%coupon rate?

b.A 3-month expiration call option with an exercise price of $40 versus a 3-month call on thesame stock with an exercise price of $35.

c.A put option on a stock selling at $50, or a put option on another stock selling at 60 (allother relevant features of the stocks and options may be assumed to be identical.)