Topic: Displayed Portal Costs
Supposed portal costs are calculated by:
Costs = [15000*(1+nwpenalty%)/(1+science%)]+1000*planets
- Source: Guide
Actual portal costs are calculated by the same formula as above :
Costs = [15000*(1+nwpenalty%)/(1+science%)]+1000*planets
Displayed portal costs are calculated by
Costs = [15000*(1+nwpenalty%)*(1+OBpenalty%)/(1+science%)]+1000*planets
where OBpenalty% is planetary overbuilding cost increase