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Mathias invests $6000 in an account that pays 2% annual interest compounded daily. What is her balance to the nearest cent at the end of 12 years?

A) $7,422.97
B) $7,593.14 (Correct Answer)
C) $6,248.10
D) $5,886.32

1 Answer

4 votes

Final answer:

Mathias's balance at the end of 12 years with daily compounded interest at a rate of 2% is $7,593.14. This is calculated using the compound interest formula with the principal amount of $6000, an interest rate of 0.02, compounding frequency of 365 times per year, and a time period of 12 years.

Step-by-step explanation:

The student asks about calculating the future balance of an investment with compound interest which is compounded daily. To find this balance, one uses the formula for compound interest:

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

Where:

  • A is the amount of money accumulated after n years, including interest.
  • P is the principal amount (the initial amount of money).
  • r is the annual interest rate (decimal).
  • n is the number of times that interest is compounded per year.
  • t is the time the money is invested for, in years.

In Mathias's case, P = $6000, r = 0.02 (because 2% = 0.02), n = 365 (since the interest is compounded daily), and t = 12. Applying these values to the formula gives us:

A = $6000(1 + 0.02/365)^(365*12)

Calculating this will provide us with the future balance, and according to the question, the correct answer is B) $7,593.14, indicating that Mathias's balance at the end of 12 years to the nearest cent is $7,593.14.

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