In the country of Symposia, we have the following information for the year 2019:

*Consumption stood at $1 billion dollars worth of goods and services, 10% of which were produced and initially sold in 2018.

*Labour wage income was $100 million.

*Businesses invested $200 million dollars in new capital (i.e. machinery) stock.

*Businesses also bought $150 million dollars worth of company stocks.

*Foreigners with working visas living in foreign-only households bought $100 million worth of locally made goods and services.

*The government of Symposia bought $200 million worth of new cars for members of parliament to use.

*Citizens of Symposia living overseas bought $100 million worth of Symposia goods.

What was Symposia's GDP in 2019? Explain your answer