18. How is interest paid to municipal bondholders treated differently than interest paid to corporate bondholders?

A. It isn't taxed at the federal level or by the state for which the bond is issued.

B. It's taxed by the state for which the bond is issued but not by the federal government.

C. It isn't taxed by the state for which the bond is issued.

D. It isn't taxed at the federal level or by any state in the country.