1. If there is no property relationship involved, piece-rate charging is implemented: the amount of each charge is 3,000 yuan, which can be raised or lowered by 50. 2. If there is a property relationship involved, the fee will be charged in proportion to the subject amount. The amount of fees charged by the agent at each stage is calculated according to the following ratio of the target amount: the fee ratio for the part below 20,000 yuan (including 20,000 yuan) is 800 yuan; the fee ratio for the part between 20,000 yuan and 6.5438 million yuan (including 6.5438 million yuan) is 4 ; From 654.38 million yuan to 500,000 yuan (including 500,000 yuan), the charging ratio is 3; from 500,000 yuan to 6.5438 million yuan (including 6.5438 million yuan), the charging ratio is 2;