Each box of 3 all cost in 0.6 yuan around sell 1 - 3 yuan, each box of 6 all cost in 1 yuan around sell 2 - 6 yuan.
Octopus dumplings all over the wider, the price also has to be linked to local prices and consumption levels, so the cost and consumption of each place is different, it is best to go to the local more understanding in order to know the specific cost price.