1. The Zhouzhi County Maintenance Fund is usually paid at a rate of 2%-3% of the purchase price or 100 to 200 yuan per square meter to the commercial bank designated by the real estate department of the city where the property is located. The estimated maintenance fund is 100 yuan per square meter: 109 (area) x 100 = 10,900 yuan, so the overhaul fund of Emerald Bay is 10,900 yuan.

2. For houses with an area between 90 square meters and 144 square meters (including 144 square meters), the deed tax rate is 1.5%. For houses with an area of ??less than 90 square meters (including 90 square meters), the deed tax is 1% of the total price of the house. Calculate, then the fees to be paid for a house with an area of ??109 square meters and a price of 20,000 yuan per square meter are: Deed tax: 2,180,000x1.5%=32,700 yuan, so the deed tax is 32,700 yuan.