Tim suffers from attention deficit hyperactivity disorder (adhd). his teachers and parents reward him with stars for desirable behaviors. the more stars he receives, the greater the reward he can get. this is known as

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?