Which security should sell at a greater price?

a$.$ A $10-$year Treasury bond with a $9\mathrm{.}75\%$ coupon rate or a $10-$year Treasury bond with a $10\mathrm{.}75\%$ coupon.

multiple choice $111.$year Treasury bond with a $9\mathrm{.}75\%$ coupon rate

A $10-$year Treasury bond with a $10\mathrm{.}75\%$ coupon

b$.$ A three$-$month expiration call option with an exercise price of $$43$ or a three$-$month call on the same stock with an exercise price of $$38.$

multiple choice $2$

A three$-$month call on the same stock with an exercise price of $$38$

A three$-$month expiration call option with an exercise price of $$43$

c$.$ A put option on a stock selling at $$53$ or a put option on another stock selling at $$63.($All other relevant features of the stocks and options are assumed to be identical.$)$

multiple choice $3$

$1.$ a put option on a stock selling at $$53$

$2.$ a put option on another stock selling at $$63$