> The presentation with the most "hard" data I have seen is:
>    http://www.adaic.com/docs/present/ajpo/pll-cost/html/

The second paragraph of the script asks, "Have you ever heard ... 'Let's
use C/C++ ... less costly and less error-prone than Ada.' ?"

I realize that many people believe the myth that Ada is expensive.  But
is there anyone out there so ignorant as to believe Ada is error-prone?