We really need a system where manufacturing trickles into either economy, or science.
Basically, if I run a slider at say 80% manu, 0% econ and 20% science, it would be lovely if, once all the manufacturing projects are completed, ALL the manufacturing goes into the other two fields AT their current ratio.
So in this example, science bumps to 100%. The moment an upgrade needs to occur, it jumps back to 80% manufacturing.