According to the study by Suraj-Diep, in 2011, per capita income in Vietnam reached 1400USD per year and the GDP index is considered to be low. However, the saving habits of the people of Vietnam, with the money on, they are still enough life and they always find items, cheap products for daily use. But the vegetable products in the market are cheap and fresh vegetables at the supermarket products are priced quite high; so this is the next important issue to be solved. In the report on market research vegetables in HCMc by Andrew in 2006, he said that people living in HCMc will not buy and use clean vegetables because the price is quite high.
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