Bringing parents to US

[immihelp]

Hi

Thank you for the reply:
1) I also wanted to know, if I and my husband can sponsor my parents along with my husband's parents as co-sponsors. So there are four of us sponsoring my parents from India. My husband has his own business, I have a part time job and my husband's parents are retired.
2) I also wanted to know if there is a single form which my husband and I can fill as sponsors and a single form on which my husband's parents can fill as co-sponsors or do each one of us have to fill a form I-134 separately.

Thanks again

[immihelp]

1. Why do need so many sponsors?
2. Each sponsor will have to fill separate I-134.