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You deposit $8000 in an account that pays 5% interest compounded quarterly.

A. Find the future value after one year.
B. Use the future value formula for simple interest to determine the effective annual yield.

1 Answer

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Final answer:

The future value after one year is $8204.24. The effective annual yield is 5.095%.

Step-by-step explanation:

To find the future value after one year, we can use the formula for compound interest:

A = P(1 + r/n)^(nt)

Where:


  • A = future value

  • P = principal amount ($8000 in this case)

  • r = annual interest rate (5% as a decimal)

  • n = number of times interest is compounded per year (4 for quarterly)

  • t = number of years (1 in this case)

Plugging in the values, we get:

A = 8000(1 + 0.05/4)^(4*1) = $8204.24

As for the effective annual yield, since the interest is compounded quarterly, we'll use the formula:

Effective Annual Yield = (1 + r/n)^n - 1

Plugging in the values, we have:

Effective Annual Yield = (1 + 0.05/4)^4 - 1 = 5.095%

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