Final answer:
Salina's one-thousand-dollar bonus for selling the most cars is a secondary reinforcer because it's valuable through its association with primary reinforcers like goods and services.
Step-by-step explanation:
Salina receiving a one-thousand-dollar bonus at her job after selling the most cars this month is an example of a secondary reinforcer. A secondary reinforcer, unlike a primary reinforcer, has no inherent value and gains its reinforcing qualities through its association with primary reinforcers, such as food, water, and shelter, which have innate reinforcing qualities. Money, being a classical secondary reinforcer, only retains value because it can be exchanged for goods and services that satisfy basic needs or other secondary reinforcers.