To ask the Scottish Executive how much capital expenditure was approved by the Water Industry Commissioner for each of 1998-99, 1999-2000, 2000-01, 2001-02, to identify how much of that expenditure should be met by (a) external finance limits and (b) charges on consumers in each year; and how much would have had to be paid by consumers in each of these years to service debt, had the Water Authorities been permitted to fund their investment by conventional public sector borrowing.