​You Are Eager to Attract a Tennis Star to Appear

​You are eager to attract a tennis star to appear in the ads for your company's rackets. However, your boss reminds you that it can be very expensive to use celebrity testimonials. Which of the following points do you make to convince her to spend the money?

A) ​This approach can improve our racket's brand recognition.
B) ​This approach can boost the believability of our racket's performance.
C) ​With a well-known star, there is no risk of marketplace confusion.
D) ​With a well-known star, our brand can achieve better recall.
E) ​A tennis star is likely to be a credible source of information for our product.