The following data represent a personal income tax schedule. Answer the question on the basis of this information. Refer to the below table. As income increases, the average tax rate:

Which of the following is a measure taken by the government to internalize externalities?

a. Value Added Tax b. Income Tax c. Cap and trade d. Tariffs e. Deficit financing

Linda's Autoplex performs oil changes on automobiles, light trucks, and sport utility vehicles. She is a profit-maximizing business owner whose firm operates in a competitive market. The marginal cost of an oil change is $10 . The marginal productivity of the last worker that Linda hired was 1.5 oil changes per hour. What is the maximum hourly wage that Linda was willing to pay the last worker

hired? a. $10 b. $15 c. $20 d. $30