Answer:Self-interest study
Explanation:
It is the case of self-interest study where the concerned party conducts the research for their personal benefits to promote their brands.
This research has nothing to do the public domain as it is just a marketing strategy to gain more consumers and establish an appealing image in consumers.Since it is a beverage company therefore they are researching for performance of subject after drinking energy drink.
The correct answer is letter C.
Explanation: Cross-cultural Immersion is the experience of being a member of a cultural minority while surrounded by a different majority culture.
"If they are used ocassionally, antiacids don't produce any risk. But used daily, they can cause a "rebound" reaction: heartburn pain can actually worsen and some people experience diarrhea or constipation from certain antiacids."