A Country Has Imports of Goods and Services of $2,000

A country has imports of goods and services of $2,000 billion.The interest paid to the rest of the world is $500 billion.The interest received from the rest of the world is $400 billion.The decrease in official reserves is $10 billion.The government sector balance is $200 billion,saving is $1,800 billion,investment is $2,000 billion,and net transfers is zero.What is net exports?

A) -$200 billion
B) $100 billion
C) -$100 billion
D) $0
E) $200 billion