Answer:
Determine the local radio listening audience by:
1. Compare online streaming listeners
2. Conduct Survey
3. Check radio station's ratings
Explanation:
1. Since most radio stations stream their programs live online, the owners of the small bar and Grill could determine the number of listening audience.
2. A survey conducted or could be conducted that shows what timing would be best to broadcast the awareness ad is another option.
3. Ratings of the local radio stations is an indicator of which stations have a wider signal range.