A depository institution has the following assets in its portfolio: $90 million in cash reserves with the Reserve Bank, $340 million in treasury notes and $580 million in mortgage loans. If the assets need to be liquidated at short notice, the depository institution will receive only 92 per cent of the fair market value of the treasury notes and 75 per cent of the fair market value of the mortgage loans. Estimate the liquidity index for these securities using the above information