Answer:
b. negative reinforcement
Explanation:
Negative reinforcement refers to the response that helps in eradicating or removing certain behaviors in the individual. Some discomforting or disturbing action is taken that helps in the enhancement of a behavior.
In the given excerpt, Austin's behavior of coming late to the office is removed when his manager, Ben applied negative reinforcement. When Austin's salary was deducted because of being late at the office, helped him of improving his nature.