Castle masterCastle = CastleManager.getInstance().getCastleById(_masterCastleId);
		
		if (masterCastle != null)
		{
			int masterTax = (int)(amount * masterCastle.getTaxRate());
			if (masterCastle.getOwnerId() > 0 ) masterCastle.addToTreasury(masterTax);
			addToTreasuryNoTax(amount - masterTax);
		} else
			addToTreasuryNoTax(amount);