Answer: (1) Primary
Explanation:
The primary data is basically refers to the collection of the data by the researcher by using the various types of method such as experiments, surveys and the interviews and these method is also known as the first hand sources.
The main purpose of the primary data is that it helps in collecting the information after the proper research. The main advantage of the primary data is that it can be easily sorted and also analyzed.
According to the given question, Marvin need the primary data for addressing the given questions based on the market research study.
Therefore, Option (1) is correct answer.