I will be extremely thankful

[Taf]

"Affidavit of Support Review (only when AOS is reviewed domestically), Form I-864 : $70.00"
I m trying to make sense of the above statement which i read on state site...Could some1 plz pop up in the forum to help me make sense of the above....I will be extremely thankful to those who gonna reply me...........

[Taf]

"Affidavit of Support Review (only when AOS is reviewed domestically), Form I-864 : $70.00"
I m trying to make sense of the above statement which i read on state site...Could some1 plz pop up in the forum to help me make sense of the above....I will be extremely thankful to those who gonna reply me...........