Advanced money-boosting building. Requires Bank, Satrap's Court, or Hanse. * +3 Image:20xGold5.png Gold * +25% Image:20xGold5.png Gold production in this city * 2 Merchant Specialist Slots * +1 Image:20xScience5.png Science with Mercantilism Social policy * +1 Image:20xHappiness5.png Happiness with Capitalism Freedom tenet