The retail price is 3.5 yuan, the wholesale price is 3 yuan, and the ex-factory price is said to be very cheap, but it should also be around 2 yuan. I heard that the production cost is only a few.

Jiaoqian

So in the same way

Oreo

The retail price is 5.9 yuan, the wholesale price should be 5 yuan, and the production price should be around 4 yuan ~ ~