Answer:
The correct answers are:
a) Family owned restaurant
b) A manufacturer of cars
c) A company that invented a very comfortable razor
Step-by-step explanation:
First of all, the family who owned a restaurant will be the one that would most likely engaged in advertising due to the fact that they provide a service that has to be known for the people of the community around the place and all the tourists that go that area, meanwhile the other familiy would obviously just sell its products to the better buyer that they could find.
Secondly, the manufacturer of cars would be the one that most likely engaged in advertising due to the fact that they found themselfs in a very competitive and oligopoly market that is the car market and therefore that they highly need to stand out their making them better than the ones from the competitors.
Finally, the company who invented a very comfortable razor would be the one who engaged more in advertising due to the fact that they known they have a better product that the rest of the competitors so they need to take advantage of that and make sure that the consumers know about it and with that they would sell more and therefore invest more in advertising as well.