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I purchased a piece of Land for $1,000,000. The seller and I agreed that I would not make any payments for a period of 10 years. We also agreed that after the first 10 years, I would make payments of $300,000 at the end of each year for 20 years. The question I have is this: How much is the purchase of this Land going to cost me over that 30-year period? I have a vague idea what the interest rate would be, but I would like somebody versed in these types of transactions to confirm it. Can anybody take a crack at it?. I would greatly appreciate it. Thanks for any help.

 Aug 24, 2016
 #1
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I purchased a piece of Land for $1,000,000. The seller and I agreed that I would not make any payments for a period of 10 years. We also agreed that after the first 10 years, I would make payments of $300,000 at the end of each year for 20 years. The question I have is this: How much is the purchase of this Land going to cost me over that 30-year period? I have a vague idea what the interest rate would be, but I would like somebody versed in these types of transactions to confirm it. Can anybody take a crack at it?. I would greatly appreciate it. Thanks for any help.

 

\(V_{10}=1000000*R^{10}\)

 

PV=1000000*R^10

C=300000

1+i=R

i=R-1

n=20

 

\(1000000*R^{10}=300000\left [ \frac{1-R^{-20}}{R-1} \right]\\ 10*R^{10}=3\left [ \frac{1-R^{-20}}{R-1} \right]\\ R\approx 1.099\qquad \qquad \qquad \text{From Wolfram|Alpha}\\ i=R-1\\ i\approx 0.099 \quad or \quad i\approx 9.9\%\)

 

 

https://www.wolframalpha.com/input/?i=10*R%5E10%3D3((1-R%5E-20)%2F(R-1))

 Aug 24, 2016
 #2
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+5

Thank you very much Melody. I had a hint that it would be close to 10%, which came out just right. Thanks again.

 Aug 24, 2016

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