Comparing Simple and Compound Interest Across Three Banks

Comparing Simple and Compound Interest Across Three Banks

Secondary 3

Calvin deposited \(\$12 \; 000\) into each of the three banks, bank \(\mathrm{A,B}\) and \(\mathrm{C,}\) for \(5\) years.

All three banks pay the same interest rate of \(1.25\%\) per annum.

Find the total amount of money he would collect if

  1. bank \(\mathrm{A}\) pays simple interest.
  2. bank \(\mathrm{B}\) pays compound interest accumulated yearly.

  3. bank \(\mathrm{C}\) pays compound interest accumulated monthly.

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Answer:(i) \(\$12\,750\). (ii) \(\$12\,768.99\). (iii) \(\$12\,773.52\).

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