Now that you've identified the primary and secondary audiences of your message, it will be important for you to analyze your audience and gauge their receptiveness to the new program. You're relatively new to the company, so you don't know many of the design engineers at headquarters, and you've only been to a couple of the retail stores as a customer before you started working for Structural Sound. Of the following options, which would appear to be the most effective and efficient way to gather insights about your audience?