Beto O'Rourke actually said...

the cost can be measured in a number of ways; certainly what it costs to purchase that and maintain it and operate it

For Ms. Gambler, one of the memories that I think looms large for this committee and certainly for me in making any decision on a biometric ...

for every minute of additional wait time at a port of entry it costs the U.S. economy $166 million

I am a big believer that those things that we measure tend to improve.