1. The depreciation fee of 20 yuan/gram is charged for gold ornaments.
2. The re-selected gold jewelry is larger than the previous old jewelry.
You have to pay extra for the new gold jewelry.
If it's not Chao Acer's gold ring:
1. Old gold jewelry should be tested for melting, and then the weight of melted gold should be calculated as the weight of real gold jewelry.
2. 20 yuan/gram is charged for the depreciation of gold jewelry.
3. The re-selected gold jewelry is larger than the previous old jewelry.
4. The new gold jewelry needs to pay extra manual fee.