Indicate whether each of the following statements applies to microeconomics or macroeconomics:

a.The unemployment rate in the United States was 5.0% in April 2008.

b.U.S. output, adjusted for inflation, grew by 2.2% in 2007.

c.An unexpected freeze in central Florida reduced the citrus crop and caused the price of oranges to rise.

d.A U.S. software firm discharged 15 workers last month and transferred the work to India.

e.The consumer price index rose by 2.8% in 2007.