the average cost to get a dog fixed is around $87 to $100 but the humain society will do it for $10 if you have low income
it would cost over 300 $ but if every bone in the leg is broken it would be over 1000$
if you want it cheap for $200
It depends on what you need them to be treated for.
Out vet in Shrrewsbury, MA gave us a quote of $1700 to remove a rear leg from a 90 lb Golden Retriever; $2000 more for chemo therapy to treat the potential spread of bone cancer.