In 150 words!! Please help..

5. Karla markets a bell she claims will automatically quiet a crying baby. She advertises on television that the bell has a certain tone babies love and shows a baby suddenly stop crying when the bell is rung. She charges consumers $50 for each bell, although the bell costs her only $1 to produce. The bell was very popular for a few months, but she has started to receive complaints, and the Federal Trade Commission (FTC) has investigated her bell advertisement Karla claims that her advertisement is not deceptive. The FTC, however, claims that the advertisement satisfies the three (3) elements required to constitute a deceptive claim. What are those elements? What information would you want to know to be able to assess this case