What is meant by a progressive tax? A regressive tax? A proportional tax? Comment on the progressivity or regressivity of each of the following taxes, indicating in each case where you think the tax incidence lies:
(a) The Federal personal income tax;
(b) A 4 percent state general sales tax;
(c) A Federal excise tax on automobile tires;
(d) A municipal property tax on real estate;
(e) The Federal corporate income tax;
(f) The portion of the payroll tax levied on employers.