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Saving for College

You estimate that you will need about $80,000 to send your child to college in eight years. You have about $35,000 now. If you can earn 20 percent per year, will you make it? At what rate will you just reach your goal?

If you can earn 20 percent, the future value of your $35,000 in eight years will be:

FV = $35,000 X 1.208 = $35,000 X 4.2998 = $150,493.59

So, you will make it easily. The minimum rate is the unknown r in the following:

FV = $35,000 X (1 + r)8 = $80,000 (1 + r)8 = $80,000/35,000 = 2.2857

Ross et al.: Fundamentals of Corporate Finance, Sixth Edition, Alternate Edition

III. Valuation of Future Cash Flows

5. Introduction to Valuation: The Time Value of Money

© The McGraw-Hill Companies, 2002

### PART THREE Valuation of Future Cash Flows

Therefore, the future value factor is 2.2857. Looking at the row in Table A.1 that corresponds to eight periods, we see that our future value factor is roughly halfway between the ones shown for 10 percent (2.1436) and 12 percent (2.4760), so you will just reach your goal if you earn approximately 11 percent. To get the exact answer, we could use a financial calculator or we could solve for r:

(1 + r)8 = $80,000/35,000 = 2.2857 1 + r = 2.2857(1/8) = 2.2857125 = 1.1089 r = 10.89%

EXAMPLE ■ Only 18,262.5 Days to Retirement

-1—' You would like to retire in 50 years as a millionaire. If you have $10,000 today, what rate of return do you need to earn to achieve your goal?

The future value is $1,000,000. The present value is $10,000, and there are 50 years until payment. We need to calculate the unknown discount rate in the following:

The future value factor is thus 100. You can verify that the implicit rate is about 9.65 percent.

How much do you need at retirement? Check out the "Money/Retirement" link ,at www.about.com.

Not taking the time value of money into account when computing growth rates or rates of return often leads to some misleading numbers in the real world. For example, in 1997, Nissan announced plans to restore 56 vintage Datsun 240Zs and sell them to consumers. The price tag of a restored Z? About $25,000, which was at least 609 percent greater than the cost of a 240Z when it sold new 27 years earlier. As expected, many viewed the restored Zs as potential investments because they were virtual carbon copies of the classic original.

If history is any guide, we can get a rough idea of how well you might expect such an investment to perform. According to the numbers quoted above, a Z that originally sold 27 years earlier for about $3,526 would sell for about $25,000 in 1997. See if you don't agree that this represents a return of 7.52 percent per year, far less than the gaudy 609 percent difference in the values when the time value of money is ignored.

If classic cars don't capture your fancy, how about classic maps? A few years ago, the first map of America, printed in Rome in 1507, was valued at about $135,000, 69 percent more than the $80,000 it was worth 10 years earlier. Your return on investment if you were the proud owner of the map over those 10 years? Verify that it's about 5.4 percent per year, far worse than the 69 percent reported increase in price.

Whether it's maps or cars, it's easy to be misled when returns are quoted without considering the time value of money. However, it's not just the uninitiated who are guilty of this slight form of deception. The title of a feature article in a leading business magazine predicted the Dow-Jones Industrial Average would soar to a 70 percent gain over the coming five years. Do you think it meant a 70 percent return per year on your money? Think again!

## Retirement Planning For The Golden Years

If mutual funds seem boring to you, there are other higher risk investment opportunities in the form of stocks. I seriously recommend studying the market carefully and completely before making the leap into stock trading but this can be quite the short-term quick profit rush that you are looking for if you am willing to risk your retirement investment for the sake of increasing your net worth. If you do choose to invest in the stock market please take the time to learn the proper procedures, the risks, and the process before diving in. If you have a financial planner and you definitely should then he or she may prove to be an exceptional resource when it comes to the practice of 'playing' the stock market.

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