Cummings Greene
03/17/2023 · High School
Question 4 of 8 Step 1 of 1 Use the formula for present value of money to calculate the amount you need to invest now in one lump sum in order to have \( \$ 25,000 \) after 10years with an APR of \( 11 \% \) compounded quarterly. Round your answer to the nearest cent, if necessary.
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Step-by-step Solution
To calculate the present value (PV) of an investment using the formula for present value with compound interest, we can use the following formula:
\[
PV = \frac{FV}{(1 + r/n)^{nt}}
\]
Where:
- \( PV \) = present value (the amount to invest now)
- \( FV \) = future value (the amount you want in the future, which is \$25,000)
- \( r \) = annual interest rate (as a decimal, so 11% = 0.11)
- \( n \) = number of times the interest is compounded per year (quarterly means \( n = 4 \))
- \( t \) = number of years the money is invested (10 years)
Now, we can plug in the values:
- \( FV = 25000 \)
- \( r = 0.11 \)
- \( n = 4 \)
- \( t = 10 \)
Now, we can calculate the present value:
\[
PV = \frac{25000}{(1 + \frac{0.11}{4})^{4 \times 10}}
\]
First, calculate \( \frac{0.11}{4} \):
\[
\frac{0.11}{4} = 0.0275
\]
Now, calculate \( 1 + 0.0275 \):
\[
1 + 0.0275 = 1.0275
\]
Next, calculate \( 4 \times 10 = 40 \), and then raise \( 1.0275 \) to the power of 40:
\[
(1.0275)^{40} \approx 3.030856
\]
Now, substitute this back into the present value formula:
\[
PV = \frac{25000}{3.030856} \approx 8255.66
\]
Thus, the amount you need to invest now in one lump sum to have \$25,000 after 10 years at an APR of 11% compounded quarterly is approximately:
\[
\boxed{8255.66}
\]
Quick Answer
To calculate the present value, use the formula \( PV = \frac{FV}{(1 + r/n)^{nt}} \). For an investment of \$25,000 after 10 years with an APR of 11% compounded quarterly, the amount to invest now is approximately \$8255.66.
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