Agricultural Merchants Came To Purchase

It was the first time for He Xiyan to see such a scene. Before, Chen Jiahang came alone. She had been confined at home for more than two months and could not go out. Then she refused to eat anything for two days, which frightened Chen Jiahang to tears, then he could only set her free.

She looked at a board brought by the merchant, which showed the purchase price of various agricultural products:

Local chicken: 8 yuan/jin

Local duck: 6.5 yuan/jin

Bacon: 7 yuan/jin

Local eggs: 0.3 yuan each

Local duck eggs: 0.4 yuan each

Dried chili pepper: 4.5 yuan/jin

Dried fish pieces (bullhead or grass carp): 6 yuan/jin

Fire-dried fish: 7 yuan/jin

...

What a low price! So cheap?