2. According to the long-run Phillips Curve, which of the following is true? a. Unemployment increases with an increase in inflation. b. Unemployment decreases with an increase in inflation. c. Increased automation will lead to lower levels of structural unemployment in the long run. d. Changes in the composition of the overall demand for labor tend to be deflationary in the long run. e. The natural rate of unemployment is independent of monetary and fiscal policy changes that affect aggregate demand