Answer:
I have to invest $11364.
Explanation:
The formula of Compound Interest is:
[tex]A = P(1+\frac{r}{n})^{nt}[/tex]
where A = Amount
P = Principle
r = rate
n = Number of Compounding per year
t = total number of year
Here, A = 15000, r = 5.75% = 0.0575, n = 4(quarterly), and t = 5.
Putting all these values in above formula:
[tex]15000 = P(1+\frac{0.0575}{4})^{4\times5}[/tex]
⇒ [tex]15000 = P(\frac{4.0575}{4})^{20}[/tex]
⇒ [tex]15000 = P(1.014)^{20}[/tex]
⇒ [tex]15000 = P(1.320)}[/tex]
⇒ P = 11364
Hence, I have to invest $11364 for 5 years.