Identify which of the following individuals would be classified as unemployed and, if they are, the type of unemployment that each is experiencing.

a. A student who decides at midsemester to devote the rest of the term to studying and quits her part-time job

b. A graphic artist who is out of work because a computer now does her job

c. A waiter who quits his job is applying for the same type of work in a restaurant where the working conditions are better

d. The son of a local farmer who works 20-hour weeks without pay on the farm while waiting for a job at a nearby factory

e. A travel agent who is laid off because the economy is in a slump and vacation travel is at a minimum

f. A plumber who works five hours per week for his church (on a paid basis) until he can get a full-time job