Which statement about advertising’s characteristics is correct?
a. advertising seeks to appeal to a mass audience with a uniform message.
b. none of the statements are true
c. advertising has high flexibility but low control over placement or content.
d. advertising has no formal sponsor.
e. advertising has the highest message credibility of any of the types of promotion.

Sharon had some insider information about a corporate takeover. she unintentionally informed a friend, who immediately bought the stock in the target corporation. the takeover occurred and the friend made a substantial profit from buying and selling the stock. the friend told sharon about his stock dealings, and gave her a pearl necklace because she "made it all possible." the necklace was worth $10,000, but she already owned more jewelry than she desired.