I would say from accounting point if view the business would be worth about 6 months to 1years worth of revenue plus the value of the assets.

So revenue of 1200 to 2400
Value existing live mice at approx $1 each based on contract price
and theapproximate value of each tank andrack etc. That should give you the value of the business. How ever if you sell it piecemill by the assets it would be less. However the better price the faster itwill sell. I would think about 2400-3000 would be fair,but it maytake a while to find a buyer at that. Good luck and please forgive my typing i am using a nook.