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Question 24 please! Thank you!
Question 24 (0.5 points) You have credit card debt of $3,000 at 19% APR compounded monthly. If you charge no more purchases t
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Answer #1

This question requires application of PV of annuity formula, according to which

PV =

[1-(4+5)-) [1-(1+r)-n LT P= Periodic Payment r=rate per period n = number of periods

r = 19%/12 = 1.5833% (monthly), P = $400, PV = $3000

3000 = 400-1-(1+ 0.015833)- 0.015833

0.11875 = 1 - (1.015833)-n

(1.015833)-n = 0.88125

Taking log of both sides,

-n * LN(1.015833) = LN(0.88125)

-n * 0.015709 = -0.126414

n = 8.05 months

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