What does the formula developed for calculating compound interest express?

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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What does the formula developed for calculating compound interest express?

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Step 1

Answer:

Compound interest is nothing but interest earned on interest. In case of simple interest only interest gained on the principal sum is taken while in case of compound interest, interest on both principal amount and the interest earned are considered.

Step 2

To calculate the compound interest, we should multiply the initial amount of principal with one plus nominal interest rate to the number of years compounding. The below formula is used to calculate compound interest.

Finance homework question answer, step 2, image 1

Where, ‘A’ is total amount received after n years,

‘P’ is principal value,

‘r’ is interest rate per year,

‘n’ is number of years

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