As-inserted listing:
Dumb	- $15000
Dave	- $27000
Jim	- $27000
Gail	- $47000
Barbara	- $47000
Mary	- $47000
BigBoss	- $99000
Alphabetical listing:
Dumb	- $15000
Dave	- $27000
Jim	- $27000
Barbara	- $47000
Gail	- $47000
Mary	- $47000
BigBoss	- $99000
Employees making $47000: Barbara Gail Mary
Dave makes $27000
There are 2 low-paid employees
Firing all low-paid employees:
Dumb	- $15000
Barbara	- $47000
Gail	- $47000
Mary	- $47000
BigBoss	- $99000
Firing dumb employees:
Barbara	- $47000
Gail	- $47000
Mary	- $47000
BigBoss	- $99000