Mabel broke her arm, please help.

Mabel fell off the bed playing and has broken her leg. The initial cost for basic care was $820 and surgery will be needed within a few days. Due to several unfortunate circumstances, we have not been able to buy pet insurance like we planned and do not have the ability to pay for every thing needed. Please help if you can and share if you can't. It is very unlike me to ask for help, but there is nothing else I can do.  Thank you all, Tony