I am sponsering my wife to USA but I haven't made suffecient anual income in 2011. But this year make around $ 20,000. I have ballance in account around $8000. My wife also have around $ 5000in her account  can I show her money and cash value things( like Gold) to fill I-864 form? if you have any Idea please share me, that would be great help me. Thank you.