Which of the following is a tax based on the benefits-received principle?
◦ A property tax, if the revenue is used to finance public education.
◦ A tax on imports that is used to finance job retraining for workers who have lost their jobs because of the competition from imported products.
◦ A progressive income tax that is used to finance national defense.
◦ A tax added to the camping fee at national parks that is used to maintain and upgrade camping facilities at national parks.