Answer:
the interest rate that the state of New York bond need to offer to make Fergie indifferent is 6.58%
Explanation:
After tax returning surething bond = 9.4%*(1-30) = 6.58%
when New York bond offers 6.58%,Fergie will be indifferent between investing in the two bonds
Therefore, the interest rate that the state of New York bond need to offer to make Fergie indifferent is 6.58%