In 1808, the Secretary of the Treasury, Albert Gallatin, was the first to suggest that the U. S. should construct
A. dams.
B. canals.
C. textile mills.
D. interstate highways.
its not d btw

In a small, closed economy, national income (gdp) is $350 million for the current year. individuals have spent $100 million on the consumption of goods and services. they have paid a total of $60 million in taxes and the government has spent $75 million on goods and services this year. use this information and the national income identity to answer the questions. how much does the economy spend on investment?