Interest simplified

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  • Abdi
    Full Member
    • Sep 2011
    • 29

    #1

    Interest simplified

    I just need a simple explanation as to how much interest i may accumulate on my Absa business savings account. If i have 50k in my account for 3 months how much interest would i have after the 3 months?
  • Nickolai Naydenov
    Silver Member

    • Jan 2012
    • 305

    #2
    Depends on what rate they have given you. lets say for example they have given you 4% then 50 000 x 4 % / 12 x 3 = R500 will be our interest for 3 months. Why do you put money in a money market account, is this a short-term investment or what is the objective?
    ---There is no traffic at the extra mile---

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    • adrianh
      Diamond Member

      • Mar 2010
      • 6328

      #3
      The correct formula for compound interest is M = P(1 + i)n

      M is the final amount including principal
      P is the principal
      i is the interest earned per period n

      So M = 50,000(1+(0.04/12))^3 ---- principal x (1+annual rate/number of months) to the power of the number of months

      (This is all based on the assumption that the interest is calculated on a monthly basis and that all interest is left in the account...and no fees or other deductions are made)

      =50,000(1.003333333)^3
      =50,000(1.01003333)
      =50,501.67

      Thus the interest that you will earn is R 50,501.67 - R 50,000.00 = R 501.67

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