How to calculate discounts for the price of gold jewelry

If it is normal, if it is a price jewelry, it should be discounted regardless of whether it is separated or buying together. What they said can only be 10 % off, which may mean that their gold price pendant cannot be discounted. Meaning that gold category does not participate in membership discount activities in one price. Although the company has the overall regulations, each shop also has the permissions of each store, so sometimes the discounts are not the same. Generally, gold jewelry is rarely discounted and promoted. However, if it is a big brand (such as Zhou Dafu, Zhou Shengsheng, etc.), the national discounts are mostly consistent.
Me a gram of gold with the old replacement

If it can prove that it is Chow Tai Fook's gold jewelry,
1, a depreciation fee of 30/grams.
2. The number of new gold selected is greater than the original 25%.
3, add the work consumption of the selected new gold jewelry.

If it can not be proved to be Chow Tai Fook's gold:
1, first of all, you must give you a 10 % discount on the basis of the original weight, such as 10 grams, 9 grams after folding.
2, collect another 30 yuan/gram manual fee.
3, the weight of the purchased new gold is greater than 25%of the original gold.
4. The handling fee of the selected new gold is calculated.
This is very unsuitable compared to the following.

The gold jewelry of Zhou Shengsheng is replaced by the old: If it is Zhou Shengsheng's gold jewelry,
1, each gram will charge a depreciation fee of 30 yuan.
2, new jewelry is 30%or more than the old.
3, plus new accessories manual fees.
The Zhou Shengsheng only changed his own brand's gold, and the others would not change.

Lao Fengxiang's gold jewelry to change the old: if it was not the gold of Lao Fengxiang, the nickname gold would take it upstairs to burn it to test the ingredients.
1, charge a depreciation fee of 20 yuan per gram.
2, then minus 3.5%loss.
3, 20%gold.
4, the work consumption floats 20%.
If it is Lao Fengxiang's gold
1, 5 pieces per gram.
2, minus 1%loss.
3, 20%of gold.
4, 20%of the work consumption.

Ifang gold jewelry to change the new: If it is not the gold of Liufu, it needs to be discounted. The discount means:
1. If you are not the gold of Liufu, you need to help you check the gold, and then determine the 7-8 % discount.
2, and then a depreciation fee of 20 yuan per gram.
3, new gold coins weigh 30%or more.
4. Add new gold jewelry.
If itself is six blessings.
1, no discount is required.
2, a depreciation fee per gram of 20 yuan.
3. If the price of the new gold you exchange is 1.3 times that of the price of your old City, it is to require new gold to heavier 30%or more than the old gold.
4, add new jewelry work consumption.