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September 17, 2014

September 17, 2014

Posted by **alisha** on Thursday, July 24, 2008 at 8:17pm.

$213.30

$21.23

$274.60

can't be done with these assumptions.

After 20 years, 100 shares of stock originally purchased for $1000 was sold for $5,000. What was the yield on the investment? Choose the closest answer.

19%

5%

12.7%

8%

- math (#2 of 2) -
**drwls**, Friday, July 25, 2008 at 7:20amLet x be the average yield, expressed as a decimal.

(1+x)^20 = 5000/1000 = 5

log 5 = 20 log(1+x)

log (1+x) = 0.0349585

1+x = 1.0837

x = 8.4%

8% is the closest answer

- math 2 questions need help -
**tchrwill**, Friday, July 25, 2008 at 10:54amR = Si/[(1+i)^n - 1] where R = the monthly deposit, i = the periodic decimal interest rate, and n = the number of deposits.

R = 1,000,000

i = 10/100(12) = .008333

n = 60(12) = 720

R = 1,000,000(.008333)/[1.008333^720)-1]

R = 8333.333/(393.428 - 1)

R = $21.24

Check:

S = [1.008333^720 - 1]/.008333 = $1,000,262.

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