GDP concept請教

iphoyung

1.If the demand for re-export of goods to the foreign countries has increased ,what is the effect on HK s'GDP??
2.If the demand for import of goods to the foreign countries has increased ,what is the effect on HK s'GDP??
3.Under expenditure approach, GDP=C+G+I+(X-M). Does the expenditure by different sectors on imports include in C,G and I?