Suppose that you earned a bachelor's degree and now you're teaching high school. The school district offers teachers the opportunity to take a year off to earn a master's degree. To achieve this goal, you deposit $3000 at the end of each year in an annuity that pays 6% compounded annually. a. b. How much will you have saved at the end of five years? Find the interest. Click the icon to view some finance formulas. a. After 5 years, you will have approximately $ (Do not round until the final answer. Then round to the nearest dollar as needed.) b. The interest is approximately $ (Use the answer from part a to find this answer.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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**Educational Content: Annuity Savings Calculation**

**Scenario:**
Suppose you have earned a bachelor's degree and are now teaching high school. The school district offers teachers the opportunity to take a year off to earn a master's degree. To achieve this goal, you deposit $3000 at the end of each year in an annuity that pays 6% compounded annually.

**Tasks:**

**a.** How much will you have saved at the end of five years?

**b.** Find the interest.

_Click the icon to view some finance formulas._

**Calculations:**

**a.** After 5 years, you will have approximately $____.  
(Do not round until the final answer. Then round to the nearest dollar as needed.)

**b.** The interest is approximately $____.  
(Use the answer from part a to find this answer.)
Transcribed Image Text:**Educational Content: Annuity Savings Calculation** **Scenario:** Suppose you have earned a bachelor's degree and are now teaching high school. The school district offers teachers the opportunity to take a year off to earn a master's degree. To achieve this goal, you deposit $3000 at the end of each year in an annuity that pays 6% compounded annually. **Tasks:** **a.** How much will you have saved at the end of five years? **b.** Find the interest. _Click the icon to view some finance formulas._ **Calculations:** **a.** After 5 years, you will have approximately $____. (Do not round until the final answer. Then round to the nearest dollar as needed.) **b.** The interest is approximately $____. (Use the answer from part a to find this answer.)
In the following formulas, \( P \) is the deposit made at the end of each compounding period, \( r \) is the annual interest rate of the annuity in decimal form, \( n \) is the number of compounding periods per year, and \( A \) is the value of the annuity after \( t \) years.

The formula for the future value of an annuity is:

\[
A = \frac{P \left( (1 + r)^t - 1 \right)}{r}
\]

An alternative expression using compounding variables is:

\[
A = P \left[ \frac{\left( 1 + \frac{r}{n} \right)^{nt} - 1}{\frac{r}{n}} \right]
\]

To find the deposit amount \( P \) when \( A \) is known, the formula is:

\[
P = \frac{A \left( \frac{r}{n} \right)}{\left( 1 + \frac{r}{n} \right)^{nt} - 1}
\]

In the subsequent formulas, \( P \) is the principal amount deposited into an account, \( r \) is the annual interest rate in decimal form, \( n \) is the number of compounding periods per year, and \( A \) is the future value of the account after \( t \) years.

The formula for future value with simple interest:

\[
A = P(1 + rt)
\]

The formula for future value with compound interest:

\[
A = P \left( 1 + \frac{r}{n} \right)^{nt}
\]
Transcribed Image Text:In the following formulas, \( P \) is the deposit made at the end of each compounding period, \( r \) is the annual interest rate of the annuity in decimal form, \( n \) is the number of compounding periods per year, and \( A \) is the value of the annuity after \( t \) years. The formula for the future value of an annuity is: \[ A = \frac{P \left( (1 + r)^t - 1 \right)}{r} \] An alternative expression using compounding variables is: \[ A = P \left[ \frac{\left( 1 + \frac{r}{n} \right)^{nt} - 1}{\frac{r}{n}} \right] \] To find the deposit amount \( P \) when \( A \) is known, the formula is: \[ P = \frac{A \left( \frac{r}{n} \right)}{\left( 1 + \frac{r}{n} \right)^{nt} - 1} \] In the subsequent formulas, \( P \) is the principal amount deposited into an account, \( r \) is the annual interest rate in decimal form, \( n \) is the number of compounding periods per year, and \( A \) is the future value of the account after \( t \) years. The formula for future value with simple interest: \[ A = P(1 + rt) \] The formula for future value with compound interest: \[ A = P \left( 1 + \frac{r}{n} \right)^{nt} \]
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