code: @Override
      public void resolve(final ValueStack values) throws Exception
      {
          if (values.size() < 2)
              throw new Exception("missing operands for " + toString());
  
          try
          {
              final String tableName = values.popString();
              final double baseAmount = values.popDouble();
              final EquationSupport model = getEqu().getSupport();
  
              final Hashtable<Double, Double> rateTable = model
                      .resolveRate(tableName, getEqu().getBaseDate(), baseAmount);
              double blendedRate = 0;
  
              /*
               * only the last key in the table is used for banded rates
               */
              for (final Enumeration<Double> limits = rateTable.keys(); limits.hasMoreElements();)
              {
                  final Double limit = limits.nextElement();
                  blendedRate = (rateTable.get(limit)).doubleValue();
              }
  
              values.push(new Double(blendedRate));
          } catch (final ParseException e)
          {
              e.fillInStackTrace();
              throw new Exception(toString() + "; " + e.getMessage(), e);
          }
      }
docs: {@inheritDoc}