So really it's a mixed-mode D-D/3He-D reactor? How much more common are D-D reactions than 3He-D reactions while the reactor is running normally? How much does

So really it's a mixed-mode D-D/3He-D reactor? How much more common are D-D reactions than 3He-D reactions while the reactor is running normally? How much does the initial charge of 3He cost, given that the stuff costs $7,000 a gram?