Which of the Federal Government's Policy Tools should be used with the appropriate action to be taken to deal with the following economic situations?

1. Significant decreases in the real GDP for 3 straight quarters

2. Increases in the unemployment rate over the past 6 months

3. Monthly increases in the producer price index for the past 4 months

4. A severe depression

5. Significant increases in the CPI over the past 6 month