Fixed quotes:

In the modern banking system, your signature on that loan document is a big part of what created the credit in the first place.$In$ $the$ $modern$ $banking$ $system,$ $your$ $signature$ $on$ $that$ $loan$ $document$ $is$ $a$ $big$ $part$ $of$ $what$ $created$ $the$ $credit$ $in$ $the$ $first$ $place.$

"Can you demonstrate that?" Simple. Documented. Repeated if necessary.$"Can$ $you$ $demonstrate$ $that?"$ $Simple.$ $Documented.$ $Repeatedifnecessary.$