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The Rule of 72 The most important and simple rule to financial success.

The Rule of 72 The most important and simple rule to financial success. Simply put . 72 Is a Magical Number. What is the rule of 72? It can tell you:. How many years it will take an investment to double at a given interest rate using compounding interest.

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The Rule of 72 The most important and simple rule to financial success.

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  1. The Rule of 72The most important and simple rule to financial success.

  2. Simply put 72 Is a Magical Number

  3. What is the rule of 72?It can tell you: • How many years it will take an investment to double at a given interest rate using compounding interest. • How long it will take debt to double if no payments are made. • The interest rate an investment must earn to double within a specific time period. • How many times money (or debt) will double in a specific time period.

  4. 1) How long will it take for our investment to double • When 72 is divided by the interest rate, the answer is the number of years it will take the investment to double. EXAMPLE: We know our interest rate is 10% on our investment. TO FIGURE THIS: 72 ÷ 10 = 7.2 YEARS TO DOUBLE

  5. ANOTHER EXAMPLE: • Compound Interest is 8% • How long will it take for the investment to double? 72 divided by 8% = 9 years At the end of nine years, the initial savings of $100 will have increased to $200 — which is double the amount of initial savings

  6. How long it will take debt to double if no payments are made • You borrow $1,000 from a friend, who is charging 6% interest. If you do NOT make ANY payments, how long will it take for your debt to double? 72 ÷ 6 = 12 YEARS FOR DEBT TO DOUBLE

  7. The interest rate an investment must earn to double within a specific time period • If a person would like his/her investment to double in 4 years, you would calculate it like this – 72 ÷ 4 = 18% interest rate is required on the investment ANOTHER EXAMPLE: Would like investment to double in 6 years Need 12% interest rate for investment to double in 6 years

  8. How many times money (or debt) will double in a specific time period • For example, if a person earns 6% on a $50,000 investment it will take 12 years to double (72/6=12).

  9. You must remember a few things about the “Rule of 72” The “Rule of 72” • Is only an approximation • The interest rate must remain constant • The equation does not allow for additional payments to be made to the original amount • Interest earned is reinvested • Tax deductions are not included within the equation

  10. REVIEW OFRULE OF 72

  11. WHAT IS COMPOUNDING INTEREST Compounding interest is Interest earning interest on interest!

  12. Nathan’s Certificate of Deposit • Invested $2,500 • Interest Rate is 6.5% Nathan invested $2,500 into a Certificate of Deposit earning a 6.5% interest rate. How long will it take Nathan’s investment to double?

  13. Another Example The average stock market return since 1926 has been 11% Therefore, every 6.5 years an individual’s investment in the stock market has doubled

  14. Jessica’s Credit Card Debt • $2,200 balance on credit card • 18% interest rate Jessica has a $2,200 balance on her credit card with an 18% interest rate. If Jessica chooses to not make any payments and does not receive late charges, how long will it take for her balance to double?

  15. Another Example: • $6,000 balance on credit card • 22% interest rate How long will it take for debt to double?

  16. Jacob’s Car • $5,000 to invest • Wants investment to double in 4 years Jacob currently has $5,000 to invest in a car after graduation in 4 years. What interest rate is required for him to double his investment?

  17. Another Example • $3,000 to invest • Wants investment to double in 10 years

  18. Rhonda’s Treasury Note Rhonda is 22 years old and would like to invest $2,500 into a U.S. Treasury Note earning 7.5% interest. How many times will Rhonda’s investment double before she withdraws it at age 70?

  19. Another Example • $500 invested at age 18 • 7% interest • How many times will investment double before age 65?

  20. THE END

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