Final answer:
The correct answer is option b. In Florida, a salesperson working for a real estate developer and receiving a salary is required to hold a Florida real estate license to perform their duties legally.
Step-by-step explanation:
Within the state of Florida, certain professionals are required to hold specific occupational licenses to perform their duties legally. When considering the individuals listed in the question provided, the salesperson who works for a real estate developer and is paid a salary must hold a Florida real estate license.
Occupational licenses are government-issued credentials that demonstrate a worker's qualifications by affirming they have completed specific education or passed relevant tests. Professionals such as doctors, teachers, nurses, and real estate brokers typically fall into this category of needing licenses to practice their occupations legally.