1. raw material cannot be changed when there are higher rates of raw materials.2. it is a very competitive business, it is a business that can be done easily. There are many who opened a coffee shop business.3. when a depressed economy. People will resort to buying canned coffee instead.4. when the thunrakha rise, it will have a price adjustment based on the customer turned to buy coffee.5. are there people like doing business more.
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