The BLS reported that in the second quarter of 2016, employment increased by 100,000 to 150,959,000 and the unemployment rate fell from 5 percent to 4.9 percent. About 1.3 million people were marginally attached workers and 0.6 million of them were discouraged.

a. Calculate the change in unemployment in the second quarter of 2016.

b. With 1.3 million marginally attached workers and 0.6 million of them discouraged workers, what are the characteristics of the other 0.7 million marginally attached workers?