Fixed costs plus variable costs:

If the interest rate rises in the United States relative to other nations, then in the foreign exchange market the demand for dollars ________ and the supply of dollars ________

A) does not change; does not change B) increases; increases C) increases; decreases D) decreases; decreases E) decreases; increases

The payroll tax rate is 12.4% on an amount of income adjusted annually for inflation called the wage base (e.g., $97,500 for the year 2007). Half of the tax is withheld from the employee's pay with the other half being paid by the employer

How might this tax be viewed as regressive?