Math Problem Statement

A government bond is offered that pays 3% annually to the holder indefinitely. If the income received is invested at 4.3% interest (compounded continuously), what is the present value of a $10,000 bond? (Round your answer to two decimal places.)

Solution

To determine the present value of a perpetuity with a different interest rate for reinvestment, we can use the formula for the present value of a perpetuity, adjusted for continuous compounding. The key here is to find the effective rate for the continuous compounding of the reinvestment rate.

Given:

  • The annual payment rate of the bond: P=3%P = 3\% of $10,000\$10,000
  • The reinvestment interest rate: r=4.3%r = 4.3\% annually (compounded continuously)

First, we calculate the annual payment received from the bond: Annual payment=0.03×10,000=300 dollars\text{Annual payment} = 0.03 \times 10,000 = 300 \text{ dollars}

The continuous compounding rate rr is given as 4.3%, or 0.043 in decimal form.

To find the present value of the perpetuity using continuous compounding, we use the formula: PV=PrPV = \frac{P}{r}

Substituting the values: P=300 dollarsP = 300 \text{ dollars} r=0.043r = 0.043

Now, calculate the present value: PV=3000.0436976.74PV = \frac{300}{0.043} \approx 6976.74

Therefore, the present value of the $10,000 bond, given the conditions, is approximately $6,976.74.

Would you like more details or have any questions?

Here are some related questions that might interest you:

  1. How does the reinvestment rate affect the present value of a bond?
  2. What would be the present value if the interest rate was compounded annually instead of continuously?
  3. How do you calculate the present value of a bond with a finite maturity?
  4. What is the difference between a perpetuity and an annuity?
  5. How does changing the bond's annual payment rate impact its present value?
  6. What are the implications of a higher reinvestment rate on the present value of a perpetuity?
  7. How do government bonds compare to corporate bonds in terms of interest rates and present value calculations?
  8. How does the concept of present value help investors make decisions?

Tip: When dealing with different compounding frequencies, always ensure that the interest rate and the payment frequency are aligned for accurate present value calculations.

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Math Problem Analysis

Mathematical Concepts

Finance
Perpetuity
Continuous Compounding

Formulas

Present Value of Perpetuity with Continuous Compounding

Theorems

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Suitable Grade Level

Higher Education