Question

Difficulty: EasyGovernment, Municipal, and Corporate Bonds

An investor in the 30%30\% marginal income tax bracket is considering purchasing a tax-exempt municipal bond offering a yield of 4.2%4.2\%. What is the tax-equivalent yield of this municipal bond?

Answer: 6 %

Answer

The tax-equivalent yield of the municipal bond is 6.0%.
The tax-equivalent yield formula determines the interest rate a taxable corporate bond must pay to equal the after-tax yield of a tax-exempt municipal bond. Dividing the municipal yield of 4.2%4.2\% by (10.30)(1 - 0.30) yields 6.0%6.0\%.

Step-by-Step Solution

1
Calculate the tax complement factor
1 - 0.30 = 0.70
This represents the portion of taxable income an investor retains after paying federal income tax.
2
Divide the municipal yield by the tax complement factor
4.2% / 0.70 = 6.0%
This converts the tax-free yield of a municipal bond into the equivalent yield required from a fully taxable bond to achieve the same net return.

Key Concept

Tax-Equivalent Yield Calculation
Estimated Time:45s
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