> On paper, they have enough in assets Maybe with 'mark to maturity' accounting which banks can use in some circumstances. But T-bonds aren't cash in hand. The

> On paper, they have enough in assets Maybe with 'mark to maturity' accounting which banks can use in some circumstances. But T-bonds aren't cash in hand. There is a loss to be realized when selling before maturity. This leads to using 'mark to market' accounting which helps to ensure more prudent reserves.