There are a couple of things.
This investigation program started before Centre Block was emptied. With the great collaboration of Parliament, we started going in with the invasive testing. Ms. Garrett's team did a lot of invasive testing even before Centre Block was emptied. That was a lesson learned from West Block. We did not do that on West Block, but we did it on Centre Block.
The second thing that we did before setting a baseline schedule and budget was an extremely exhaustive investigation and assessment program. That informed this baseline schedule and budget, so—