Alan G. answered 05/23/16
Tutor
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Successful at helping students improve in math!
What you need to do is add up all of the payments along with the finance charges (interest) accrued, then subtract that amount from the house purchase price.
This is not as easy as it looks, but I have a file posted in my locker named "Annuities" which may be helpful to you.
Let me know if you need more help with this after you search for the file.