You're using a strange definition of "within". It's 7% over.
It is important to show people that that is possible in government projects.
If you find a more concise way of saying „with unusually small overrun of it‘s budget“ tell me.
Also there were sections added after the initial estimate.
The right thing to do in this case is find the best source for this information (about the budget, schedule and completion time/cost) and make that the URL of the submission. Please email us the best links you know of about this (hn@ycombinator.com) and we'll consider updating the URL.