Christy's Haircuts, the sole supplier of haircuts in a small town, faces the demand schedule shown in the table above. What is Christy's marginal revenue from the 25th haircut?

The ________ curve shows a(n) ________ relationship between the real wage and the number of workers who are willing to work

A) labor demand; direct B) labor demand; positive C) labor supply; inverse D) labor supply; positive

The Laffer curve indicates which of the following?

A. There is an ideal tax-revenue-maximizing tax rate for government taxes. B. There is an ideal interest rate that will maximize investment spending. C. There is an ideal income tax rate on individuals, depending on their consumption behavior. D. There is an ideal amount of government spending that will lead to full national employment.