4. Use the table below from the US. Bureau of Labor Statistics to answer the following questions. Category Civilian labor force 162.9 million Employed 157 million Unemployed 5.9 million Not in labor force 96 million Marginally attached to the labor 0.6 million force lnvoluntarily part-time 4.4 million a. What was the unemployment rate in May 2019? b. If we were to count marginally attached workers as unemployed, what would the unemployment rate have been in May 2019? c. If we were to count all of those who are working part-time involuntarily as unemployed, what would the unemployment rate have been in May 2019? d. If you repeated this calculation for all time periods for the United States and graphed the data, do you think the changes in the unemployment rates would all look similar or different? Why