Here's one way to look at the problem.
If I am correct in assuming that you put $1800 away four years ago, didn't have to pay taxes on it, or at least left it there undisturbed then:
7%/365+1 = 1+ .000191781=1.000191781^365= 7.25% annual return. So that means you'd earn $130.5 in the first year. Since that would compound, we can figure four years at 7.25%. So 1.0725^4 = $2381.56
So I'll go with B.
2006-09-14 14:01:40
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answer #1
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answered by lyghtningrod 3
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As stated, none of the answers are correct. If 7% is paid daily, and compounded, the money will double in ten days. (Rule of 70/72.) In four years, it will have doubled 130 times, which means multiplied by approximately ten trillion. So the answer would be about $18,000,000,000,000. If the problem is re-stated: Invested $1,800 at 7% simple interest PER ANNUM, the interest would be 4 x 0.07 times $1800, or $504.00. The problem, however, implies compound interest, which would increase the interest; you would need a financial calculator to figure it out exactly.
Later: I fired up my scientific calculator, and it came up with $582. So it looks like answer b is correct.
2006-09-14 13:57:21
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answer #2
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answered by Anonymous
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your choices are all wrong.
7% interest daily of $1800 is: $126, multiply by the number of days in 4 years, leap year is 366 days which comes every 4 years, the rest of the 3 years is 365 days, total 1461 days at $126 per day interest = $184,086.00
Not bad. Let me have the name of the investment Company.
2006-09-14 13:58:56
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answer #3
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answered by Liwayway 3
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The daily interest rate would be .07/365 then the amount of interest plus principle would be.
1800*((1+.07/365)^(4*365))
subtract the original amount to get the amount of interest
2006-09-14 13:57:16
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answer #4
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answered by rscanner 6
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I = 1800(1 + (.07/365))^(4 * 365)
If you work that out, then subtract 1800 from it, you will get about 581.57
ANS : B.) 581.57
2006-09-14 17:44:00
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answer #5
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answered by Sherman81 6
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none of the above
2006-09-14 13:57:08
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answer #6
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answered by aj 2
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who cares?
2006-09-14 13:57:38
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answer #7
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answered by Anonymous 2
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