Suppose a US-owned firm in Canada imported $1000 worth goods from China in 2018. This company ended up selling only $800 of the imported goods to domestic final users. Which of the following would occur from these transactions for the 2018 GDP expenditure side? Select one or more: Ga goes up by $1000 la rises by $200 Ca goes up by $800 NXa falls by $800. IMa goes up by $1000. Xa goes down by $1000