The tremella nails of Tik Tok studio 9.9 are fake. It is not good to sell 9.9 yuan of fast tremella in the live broadcast room. Apart from the activities of the silver jewelry factory, the silver jewelry factory will not do business at a loss. Silver earrings are only 9.9 yuan, and their material will not be pure silver. According to the current silver price of 5.0 yuan/gram, the weight of a pair of silver earrings is about 3-5 grams, and the silver cost of silver earrings is more than 15. Plus the processing fee and profit of the silver jewelry factory, a pair of silver earrings should cost at least 20 pieces.