calculating balance on mortgage problems

mes

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Sep 12, 2012
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Here is problem ..make a table of balances at the end of each 12 months for 1st 10 years of the mortgage. Loan was of $150,000 with payback of $1074.64 per month with an interest rate of 6% per year ( .5% per month) . Notes say B=150,000(1.005n) + 1074.64/.005 ( 1 1.005n)

so there are a few things I am confused about before I can do this and I think there is a missing "sign" in the last parenthesis.
1) I get the first part...principal times interest over the n time period ..and that's how much I owe..right
2) but why is the monthly amount paid of 1074.64 divided by the interest rate and why is it added onto the amount owed..if I am looking at the balance wouldn't it be subtracted?
3) and in the last parenthesis should it have a plus sign ?

Any help would be appreciated
 
thanks for the mortgage problem help

Thank you..I knew something was missing..just didn't make sense..balance should be amount owned minus amount paid and that didn't seem to happen.
 
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