I just graduated from my undergraduate last summer. I married my highschool sweet-heart and decided to file for her paper. The one problem that we have right now is sponsor. My last year tax return were not good enough since I was still a student last year. I have a friend that are willing to be the co-sponsor. However, she has a family of 5 including her self, husband and 3 kids. Her annual income is 25,000 and her husband made around 60,000. They filed tax together. I was wondering if I just need her to sign the I-864 or her husband since her income is below 125% of poverty line for her family? I prefer not to ask her husband since we are only close to her only. Please help. Thank you.