Used our Gigawattonomics model, and the ROIC on investments in Grace Blackwell systems (assuming 10 yr life, which is a safe assumption at this point) assuming 75% utilization and $7 average (its much higher) is--260%
That's cost to build, run, all power economics included.
When you help someone and they forget, don't feel bad. You didn't lose anything. The good you did is still yours. They only lost the chance to thank a good person.