Dr. zuchov runs his classes "by the book." he locks the classroom door five minutes after class begins, accepts no excuses for absences or assignments not handed in on time, and grades on a strict percentage scale published in the university's student handbook. what conclusion can we draw from dr. zuchov's standards?

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?