Which security should sell at a greater price?

a$.$ A $10-$year Treasury bond with a $5\mathrm{.}0\%$ coupon rate versus a $10-$year T$-$bond with a $6\mathrm{.}0\%$ coupon.

multiple choice $1$

A $10-$year T$-$bond with a $6\%$ coupon.

A $10-$year Treasury bond with a $5\%$ coupon rate.

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

multiple choice $2$

A $3-$month expiration call option with an exercise price of $$40.$

A $3-$month expiration call option with an exercise price of $$35.$

c$.$A put option on a stock selling at $$50$ or a put option on another stock selling at $$65($all other relevant features of the stocks and options may be assumed to be identical$).$

multiple choice $3$

A put option on a stock selling at $$50.$

A put option on another stock selling at $$65.$