Listed below is a simplied balance sheet showing the dollar value and duration of assets and liabilities held. For ease ofcalculation, we will assume an average interest rate of per cent per annum; that is r = 0.06. Liabilities Shortterm connoitrnents Total liabilities 3. Calculate the duration of the asset portfolio and the duration of the liability portfolio. I). Calculate the value of the asset portfolio and the value of the liabilityr portfolio if there is a general increase in interest rates of basis points