The fictional country of Alperta increases the income tax rate so that tax revenues increase by $50 million. If GDP, consumption, and government spending remains the same and Alpetra is a closed economy, what is the change in investment? a. $50 million

b. $100 million

c. no change

d. cannot be determined from the information given

Which of the following best describes how manufacturing creates wealth? increases the number of affluent americans living in the united states and abroad drives the stock market, thus creating wealth for investors provides many low-wage jobs, driving down the unemployment rate increases the value of raw materials by turning them into something people and companies will purchase