Enter the number of blocks eligable for rent excluding one "base of operations" you change. (1000 blocks = 1 emerald)
Enter the number of blocks used for transportation, recreational purposes, soft infrastructure or utilities that is not buildings. (0.5% bonus)
Enter the number of those blocks that qualify as Housing, transportation buildings, buildings for recreational purposes, soft infrastructure buildings or utility buildings, Business buildings, Government buildings or military bases. (1.0% bonus)
Enter the number of rent blocks that qualify as being exceptionally designed buildings. (confirmed by two people). (1.5% bonus)
Enter the number of government buildings you have. (2.0% bonus for 4.)
Enter the number of embassies in other empires built by permission and confirmed to be embassies by two people. You can only have three or one per city in another empire. (2.0% bonus per embassy)