Some believe it is impossible for Apple to find a comparable amount of unskilled and skilled labor outside of China. Why? a)The number of migrant workers in China, who do much of Apple's production, exceed Vietnam's total population of 100 million. b) The population in China has allowed suppliers to build factories with a capacity for more than 250,000 people. c) India is the closest comparison, but its roads, ports and infrastructure lag far behind those in China. d) all of the above e) none of the above f) a nd b only