Two years ago, Mohamad had a car accident that caused a fracture in his knee. He had surgery to do external fixation to cure the broken bone. As a result of his hard work, his pain returned, and the doctor told him that it was urgent to do another surgery to remove the metal rods. However, Mohamad is incapable of affording the high cost of the surgery as his monthly income is low. would you please help him?