Answer: A) Federal National Mortgage Association pass-throughs.
Explanation:
From the question, we are informed that a resident of Minnesota is in the 28% federal tax bracket and the 4% state tax bracket. This person must pay both federal and state taxes on Federal National Mortgage Association pass-throughs.
It should be noted that the securities of most government agencies in the United States are typically exempted from paying the local and state taxes but they have to pay federal taxes.