Math Problem Statement
You have just started a new job and plan to save $5,400 per year for 32 years until you retire. You will make your first deposit in one year. How much will you have when you retire if you earn an annual interest rate of 9.26 percent?
Multiple Choice
$891,711.95
$893,153.87
$901,553.44
$933,751.77
$849,672.13
Solution
This problem involves calculating the future value of an ordinary annuity because you are depositing a fixed amount ($5,400) annually for 32 years, with an interest rate of 9.26% compounded annually.
The future value of an ordinary annuity is given by the formula:
Where:
- = annual payment = $5,400
- = interest rate per period = 9.26% = 0.0926
- = number of periods = 32 years
Now, let's compute this.The future value of your savings when you retire is approximately $933,751.77.
Therefore, the correct answer is:
$933,751.77
Would you like further details on the calculation or have any questions?
Here are five related questions to expand your understanding:
- What happens if you make deposits at the beginning of each year instead of the end?
- How would the total savings change if the interest rate were lower, say 7%?
- How does the future value change if the number of years is reduced to 25 years?
- What is the difference between an ordinary annuity and an annuity due?
- How does compounding frequency (e.g., monthly vs. annually) affect the future value?
Tip: Increasing the interest rate, even by a small percentage, can significantly impact the future value of long-term investments due to the power of compound interest.
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Math Problem Analysis
Mathematical Concepts
Finance
Annuities
Compound Interest
Formulas
Future Value of Ordinary Annuity: FV = P × [(1 + r)^n - 1] / r
Theorems
Ordinary Annuity
Compound Interest Theorem
Suitable Grade Level
Grades 11-12 or College-Level
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