Per the video clip on the Great Depression and Keynesianism, which of the following is false?

How will an increase in physical capital affect labor productivity, labor demand, and potential GDP?

What will be an ideal response?

Suppose a tax rate of 10 percent applies to all income up to $20,000 a year, income above $20,000 up to $50,000 a year is taxed at a rate of 15%, and income above $50,000 a year is taxed at 20%. Calculate the absolute amount of tax paid by a person whose annual income is $30,000

a. $2,000 b. $2,500 c. $4,500 d. $4,000 e. $3,500