There seems to be something wrong with the computation of wealth bonuses.
The farming wealth of Capua should be modified by:
spring: -5%
Mount Vesuvius: +5%
Rome province effect: +15%
Roma city: +6%
Ariminum village: +1%
Olive press: +10%
Shrine of Jupiter: +4%
Total: +36%
The game shows +41%.
Spoiler Alert, click show to read:
Cosentia:
Early spring: +5%
Mount Vesuvius: +5%
Brundisium city: +6%
Cosentia village: +1%
Total: +17%
The game shows +32%.
Spoiler Alert, click show to read:
There are no faction or character bonuses.