Answer: Option C
Explanation:
A. In the above case the statement stating superiority of cookware is stated by the experts themselves thus it cannot be considered an assumption.
B. The above case clearly states that the magazine generates revenues from advertising thus it is not an assumption made, actually its a fact stated in the case that magazine will do so.
C. Nothing has been stats about the perspective of the cookware company as they might find the magazine unsuitable as there would be commercials for their competitors. Thus, we can say that it is an assumption.