'Only'? There will be lots of rationalizing, of course, as to the final cost but this is real money that could have helped the tax payers it was stolen from. Instead, it's been redistributed to overpaid contractors.
The ironic thing is that the person who made the FOIA request is complaining about lack of transparency when transparency is a perfect example of the sorts of perverse incentives that cause government projects have insane amounts of overhead. One of those spend a dollar to prevent a penny of fraud things. I don't really have any solutions, but there's no free cake.
'course the elephant in the room is that TSA itself is a waste of money even without expensive software contracts.
These articles imply it was for the app development. $7000 is high, but not outrageous.