Paid focus group for San Diego truck owners

My wife works for a company that hosts focus groups for all size companies, here in San Diego.
They currently have a study that is for male truck owners in San Diego. It pays $100 for 2 hours of your time with an option to earn another $50.

Here is the details, from their official post, and a survey monkey link to see if you qualify.
Let me know if you have any questions.

MALE TRUCK OWNERS NEEDED!
Project Name: TRUCK OWNERS
Plaza Research San Diego is currently seeking MALE truck owners ages 21-55 participate in a 2-hour paid group discussion $100. You will also be required to complete a brief homework assignment and will be paid an additional $50 if completed.
If interested, please click on the link below to fill out the survey: https://www.surveymonkey.com/s/sdtrucks