My wife and I are teachers at the high school in the neighboring town. Last school year, the building trades program at our HS agreed to build us a new house (they build one every year, and we wanted to move back, so it was a win-win for both of us). So, in late-August 2010, we put our house on the market in south-central Wisconsin for $159,900. Our "new" house has run into some major bank issues on the school end, and it has been on hold since mid-April. Hopefully something starts on it in January...hopefully.
Anyway, over the past 15 months, we lowered the price to $154,900, and now $149,900. Then, last Friday, we got our first offer...of $125,000 cash.
We currently owe around $121,000 left on the mortgage (we bought it for $150,000 in 2004), and would need to sell for around $130,000 to break even after closing costs and fees.
This is our first sale, and both of our parents haven't sold a house in recent memory, so I'm looking for some countering advice. Since there's about a $25,000 difference between what we're asking and what they're offering, what would be a good counter-offer? Thanks in advance.

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