Meh....Wet vac rental + carpet shampoo + 2-3 hrs = good as new. Send them the bill for the rental and the shampoo and have it deducted from your rent and call it square. 
....the carpets look like they could have used a good cleaning anyway.

....the carpets look like they could have used a good cleaning anyway.



Most of the water I removed was brownish, but I haven't seen any real staining yet.