1. Maintenance fund. This part of the cost is mainly used for the maintenance of public parts and public facilities in the entire community. The proportion is 2% for multi-story commercial housing and 3% for high-rise buildings. 2. The amount payable for purchasing a shop The deed tax is 3% of the total house price, which is twice the deed tax of commercial housing. For example, if the total price of a shop is 500,000 yuan, the deed tax alone will cost 15,000 yuan.