In the Country of Darrowby, Net Domestic Income at Factor

In the country of Darrowby, net domestic income at factor cost is $2.0 million. Gross domestic product is $3.0 million, and depreciation is $0.5 million. Indirect taxes less subsidies

A) are $1 million.
B) are $0.5 million.
C) cannot be calculated.
D) are -$0.5 million.