So really then the only bonuses that stack together are power gen and the refinery bonus. AMC creates the value that bonuses apply to and MT gives a bonus but it doesn't "stack" with power gen or a refinery.

So does this sound right? Planet has an RO value of 100. You are a trader with AMC rank 1 so the planet says it is producing 20 RO

The planet has a refinery, power gen rank 9, and MT rank 9. The result is:
(Value*refinery bonus*powergen bonus)+MT bonus = result
(20*1.1*1.18)+20*.9 = 43.96 RO

or does the refinery bonus not stack with powergen? Which would make me cry on my keyboard somehow shorting out the zarksoft website. careful with your answer :P