Who among the following salespeople is most likely engaging in an illegal sales practice? Multiple Choice a. Charles, who steals potential clients from other salespeople b. Ali, who uses spiffs to promote one product over another c. Mira, who uses persuasion to influence a buyer's decision d. Richard, who lies to a customer that a rival company is going bankrupt e. Sarah, who uses sales puffery to exaggerate the features of a product she is selling