Final answer:
Goodwill is the audience's perception of whether the speaker has the best interests of the audience in mind.
Step-by-step explanation:
Goodwill refers to the audience's perception of whether the speaker has the best interests of the audience in mind. It is not based on the speaker's actions or their ability to achieve a specific goal, but on their genuine concern for the audience's well-being. This concept is highlighted in Kant's philosophy, where he argues that good will has unconditional value. Therefore, the correct answer is a) True.