The cost of manufacturing phones in China is twenty percent lesser than the cost of manufacturing phones in Vietnam. Even after adding shipping fees and import taxes, it is cheaper to import phones from China to Vietnam than to manufacture phones in Vietnam. Which of the following statements is best supported by the given information.
A: The shipping fee from China to Vietnam is more than 20% of the cost of manufacturing a phone in China. B: The import taxes on a phone imported from China to Vietnam is less than 20% of the cost of manufacturing the phone in China. C: Importing phones in Vietnam will cut 20% of the manufacturing jobs in Vietnam. D: It takes 20% more time to manufacture a phone in Vietnam than it does in China. E: Labour costs in Vietnam are 20% higher than in China.