Indicate which bond in the following pairs of bonds is likely to bear the higher interest rate (yield) and state why. If there is no general reason for a difference, indicate that they would be the same.

a. A corporate bond rated Aaa or a municipal bond rated Aaa

b. A municipal bond rated Baa or a municipal bond rated Aa

c. A general-obligation bond issued by a city or a revenue bond issued by a city

d. A general-obligation bond rated Aa issued by a city or a general obligation bond rated Aa issued by a county

e. A municipal bond (term) with maturity in five years or a municipal bond (term) with maturity in 20 years