chapter 241 There are many rich people

Willa Lin nodded. "I've thought about this before. I should multiply it by a suitable percentage after deducting the cost!"

"How much does this thing cost now?"Roman Li asked again.

"Instead of using silkworm pupae as the raw material, we can use other Chinese medicinal herbs. I have estimated that the cost of each bottle is about three hundred yuan. If we expand the scale, the cost can be further reduced."

Willa Lin said frankly.

"The cost is three hundred...