Asked by Chelsea Hennison on May 11, 2024

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Michelle has just received an inheritance from her grandfather's estate. She will be entering college in 3½ years, and wants to immediately purchase three compound-interest investment certificates having the following maturity values and dates: $4,000 at the beginning of her first academic year, $5,000 at the start of her second year, and $6,000 at the beginning of her third year. She can obtain interest rates of 5% compounded semi-annually for any terms between 3 and 5 years, and 5.6% compounded quarterly for terms between 5 and 7 years. What principal amount should she invest in each certificate?

Compounded Semi-annually

The process where interest is calculated and added to the principal sum every six months.

Compounded Quarterly

The calculation of interest on the initial principal and the accumulated interest over previous periods on a quarterly basis.

Inheritance

Assets received from a deceased person's estate by their heirs or designated beneficiaries.

  • Estimate the prospective value of investments across varying interest rates, lengths of time, and compounding intervals.
  • Understand and calculate the effective interest rate for different compounding periods.
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KP
Kaylee ParkerMay 16, 2024
Final Answer :
$3,365.06 in a 3.5 year certificate; $4,003.64 in a 4.5-year certificate; $4,418.92 in 5.5-year certificate