Which of the following statements is most correct?
a) All else equal, 20-year T-bonds have less price risk than 5-year T-bonds.
b) All else equal, bonds with 5% coupon rate have more reinvestment rate risk than bonds with 10% coupon rate.
c) All else equal, bonds with 5% coupon rate have less price risk than bonds with 10% coupon rate.
d) All else equal, zero coupon bonds have highest reinvestment rate risk.
e) All else equal, 20-year AAA bonds have less reinvestment rate risk than 3-year AAA bonds.