that some of the other states had paid in that they'd never been able to get, primarily those westmsissippi. i'm just hoping that does not become a policy of this administration or any other administration to delve into the trust fund. like the social security trust fund, which is mostly bond, which means we'd have to put money in to take money out. there is a feeling by the people in this country that there is money in trust funds. >> yes. >> and there is not money in trust funds and i didn't find out about it until -- >> the social security is certainly a trust fund and it's. as to your specific question on the mining, i'll make sure my staff gets back to you. >> thank you. thank you. that's the composite interest rate we're paying on the debt right now. >> interest rating are at low levels. i think it's around 4%. let me give you the exact numbers. >> i think i have that chart now. >> right now we're paying about 1/10 of 1%? s-14. >> depends whether you want to use the 91-day treasury bill note, which will be a lot lower or the ten-year treasury note. the ten year is currently at in 2013