I have started building my cross-nation empire but I am struggling with understanding how "productivity" works. Currently I have made myself the following garages:
As you can see there is a field on the right called productivity. This is also shown on the left of the screen:
The bit under current week productivity says that a garage of this size should be making £150k per week whereas I'm actually only making £57k.
How can I increase the productivity of my garages?