affidavit of support unemployed

[flipsta510fazn]

I recently got married and my wife has been on this forum and I have a question cause i am unemployed at the moment. we are submitting I-130, I-485, i765, (my) I-864, (2x my mom and dad)I864a my parents gets their taxes done as joint so when i submit their taxes do i send 2 copies or is 1 okay cause i am submitting the last 3 previous years and its a lot of paper.
thanks in advance
Louis