Jack's Surgery

Last year I rescued a litter of 4 week old kittens. I was able to rehome all of them and keep one for my self. Jack, my cat that I've had for nearly a year was recently attacked by a dog. His back left ankle is shattered and the vet is recommending amputation. I am a recent college graduate and paying student loans. Because of this I cannot afford the $3000 cost of the

Please help me get the care my cat needs. Anything you can give would be wonderful.