Math Problem Statement
You just bought a zero-coupon bond that matures one year from now. Its YTM is 10.4% (assuming semi-annual frequency) and its face value is $1,000. Assuming that you personal income tax rate is 29%, what is your after-tax cash flow one year from now?
Solution
To find your after-tax cash flow from the zero-coupon bond, we need to determine the bond's maturity value (face value), and then calculate the tax implications based on the income generated. Let’s walk through the steps systematically:
Step 1: Understanding the zero-coupon bond.
- Face Value (FV): $1,000
- Maturity: 1 year
- YTM (yield to maturity): 10.4% annualized, with semi-annual compounding
- Personal income tax rate: 29%
Since this is a zero-coupon bond, it pays no interest during the year, but you earn interest as the difference between the price you pay and the bond’s face value upon maturity.
Step 2: Calculate the purchase price of the bond.
A zero-coupon bond’s price is given by the formula:
where:
- = semi-annual yield = or 0.052
- = 2 (since there are 2 semi-annual periods in one year)
So, you buy the bond for approximately $903.45.
Step 3: Calculate the interest earned (imputed income).
The interest earned is the difference between the face value and the purchase price:
Step 4: Calculate the tax owed on the interest.
Since your income tax rate is 29%, the tax on the interest earned is:
Step 5: Calculate your after-tax cash flow.
At maturity, the bond pays the full face value of $1,000. After accounting for taxes, your after-tax cash flow becomes:
Final Answer:
Your after-tax cash flow one year from now will be:
Do you want further details or have any questions?
Here are 5 related questions:
- How would the after-tax cash flow change if the tax rate was 20% instead?
- What is the effective annual yield (EAY) for this bond given the semi-annual compounding?
- How does the price of a zero-coupon bond change with different interest rates?
- What if the bond had a maturity period of 5 years—how would that change the purchase price?
- How do different types of bonds (e.g., coupon bonds) affect taxable income?
Tip: The earlier you buy a zero-coupon bond (with longer maturity), the lower the purchase price, but the more sensitive it becomes to interest rate changes.
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Math Problem Analysis
Mathematical Concepts
Bond Valuation
Time Value of Money
Yield to Maturity (YTM)
Taxation on Investment Income
Formulas
Price of a Zero-Coupon Bond: Price = Face Value / (1 + r)^n
Interest Earned: Interest = Face Value - Purchase Price
Tax on Interest: Tax = Interest × Tax Rate
After-Tax Cash Flow: After-Tax Cash Flow = Face Value - Tax
Theorems
Time Value of Money
Suitable Grade Level
College level - Finance or Investment courses
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