Which of the following explains economics as it should be?

Briefly explain how a change in the personal income tax rate affects aggregate demand

What will be an ideal response?

Which of the following will occur when the capital stock increases?

A) profit per unit of capital will increase B) profit per unit of capital will decrease C) there will be no change in profit per unit of capital D) there will be an ambiguous effect on profit per unit of capital E) none of the above