I-864.Affidavit of support with commission based job

[lili08]

Hello!
I'm filling form I-864 and I'm confused about the question of Part 6. My current individual annual income is. because my husband who is the sponsor works as a Real Estate Agent and this job is commission based plus bonuses, so we don't know what he will make this year because it depends...

[desidakkan]

I graduated with MS Computer Science from New York. I want to join a consultancy that sponsors H1-B visa. How much %age will they take from me? Is there a database of ratings or commission values?

I cannot find a database of consultants. Anyone has info? Thanks in advance.