I need your advise,how much I need to show my income to the US Embassy in Cairo,Egypt as an evidence to support my wife financially.they just need the 2007 tax return,they already receive i-864 from NVC,i have 1099 misc,I am a contractor and have an American son who born abroad(has an American passport) from my wife ,do I need to show them $18000 or $23,888??.