the second page of attachmente, you have the bureau of infrastructure that shows slight increases. in the context of our nearly a billion dollar budget, you will see it is a small percentage of the budget. nevertheless, 34 positions substituted, as opposed to asking for new ones, and it has a small impact on the line item of the budget. >> if i may, with respect to -- let's go to hetch hetchy. that is where refined -- is that a salary savings? is that correct? >> in that case, it would be a salary increase of 36 dives in dollars. a positive number here would be a slight increase in cost. a negative number would be savings on the sheet. >> reading it correctly, with respect to that particular chart, the first two classifications listed, the first one is 1842, the second one is 1646. am i to assume that the individual in the 1446 classification has been promoted to an 1832? is that what this chart is showing me? >> no, it is not. it is saying that of our 2300 or so positions, at any one time, about 10% to 12% of those positions are vacant and that really fund but we need for operatio