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Gekata [30.6K]
2 years ago
10

What lump sum of money must be deposited in a bank account at present time so that Php 500 monthly can be withdrawn for five yea

rs with the first withdrawal scheduled six years from today? Interest rate is 9% compounded quarterly.​
Engineering
1 answer:
jenyasd209 [6]2 years ago
3 0

Using compound interest, it is found that a sum of $16,586.26 must be deposited.

<h3>What is compound interest?</h3>

The amount of money earned, in compound interest, after t years, is given by:

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

In which:

  • A(t) is the amount of money after t years.
  • P is the principal(the initial sum of money).
  • r is the interest rate(as a decimal value).
  • n is the number of times that interest is compounded per year.
  • t is the time in years for which the money is invested or borrowed.

In this problem:

  • We want to have Php 500 to be withdrawn monthly for 5 years, hence A(t) = 500 x 12 x 5 = 30000.
  • The first withdraw is 6 years from now, hence t = 6.
  • The interest rate is of r = 0.09.
  • Compounded quarterly, hence n = 4.

The amount deposited is the principal, hence:

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

30000 = P\left(1 + \frac{0.09}{4}\right)^{4(6)}

(1.025)^{24}P = 30000

P = \frac{30000}{(1.025)^{24}}

P = 16586.26

A sum of $16,586.26 must be deposited.

To learn more about compound interest, you can take a look at brainly.com/question/25781328

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