Answer:
 b. corporate bond, U.S. government bond, municipal bond 
Step-by-step explanation:
If we assume that the bonds have the similar time period and the principal amount so the bond that pays the highest interest to the bond that pays the lowest interest rate is described below:
The ranking can be done
Corporate bond - highest interest rates 
Municipal bonds - lowest interest rates 
The same is to be considered 
Therefore the option b is correct