One thing to mention is that the public sticker price is usually not the end negotiated rate for a large customer like the US government. The final price will b

One thing to mention is that the public sticker price is usually not the end negotiated rate for a large customer like the US government. The final price will be anywhere from 30% to 90% of the public price - a wide range, I know; it depends a lot on the service and their margins. Still, this estimate is probably right within a factor of 2.