Last Year in a Nation to the South,net Domestic Product

Last year in a nation to the south,net domestic product at factor cost equaled $3,300 billion.Indirect taxes minus subsidies equaled $200 billion,depreciation equaled $800 billion,the statistical discrepancy equaled zero,and net operating surplus equaled $150 billion.The country's GDP was

A) $2,300 billion.
B) $3,500 billion.
C) $4,300 billion.
D) $4,450 billion.
E) $4,150 billion.