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Thursday, October 9, 2014

Problem 0.14

This isn't really a problem computational theory. But I will complete this anyway.

Define x to be the monthly payment. r to be the monthly interest rate, T be the number of months.

Total future value of these payment is

T1i=0x(1+r)i=x(1+r)n1(1+r1)=x(1+r)n1r

But then it must equals to the future value of the loan, so we have

x(1+r)n1r=p(1+r)n

Plugging in the values it is easy to see the answer is $536.82.

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