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January 28, 2015

January 28, 2015

Posted by **Presley** on Wednesday, February 9, 2011 at 10:47am.

- Algebra -
**Henry**, Friday, February 11, 2011 at 5:02pmPt = Po(r + 1)^n.

r = APR / 4 = 2 / 4 = 0.5% = 0.005 =

Quarterly int. rate expressed as a decimal.

n=7yrs * 4 comp/yr = 28 comp. periods.

Pt = 3800(1.005)^28,

Pt = 3800 * 1.14987261 = $4369.52 = principal after 7 yrs.

Int. = Pt - Po = 4369.52 - 3800 = $569.52

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