4. Categorize each of the following sets of circumstances as frictional, structural, or cyclical unemployment.

a) Sanjit, a pulp-mill worker, is laid off because the mill’s inventories are at an all-time high.

b) Five weeks ago, Alison left a job she did not like and is still looking for another job.

c) Ian was a fisher on the East Coast but sold his boat after years of hard work with little return. He has been unemployed for almost a year.