Answer: A. 27.50% breakeven tax bracket; No, you should buy the muni bond
Step-by-step explanation:
The breakeven federal tax rate where one is indifferent with regard to purchasing the taxable bond or the municipal bond will be calculated as:
= 1 - municipal bond yield/taxable bond yield
= 1 - (5.8% / 8%)
= 1 - (0.058 / 0.08)
= 1 - 0.725
= 0.275
=27.50%
Therefore, the answer will be A) 27.50% breakeven tax bracket; No, you should buy the municipal bond.