Which of the statements are examples of signaling? Choose all that apply. There is more than one correct answer.-Tommy's Tea Shop advertises by recording the testimonials of satisfied customers.-Jo decides to go to graduate school so her future employer will know that she is smart and a hard worker.-A name-brand bleach is priced 45% higher per gallon than the generic alternative.-Fred's Used Cars offers a warranty on every car sold.-Haley uses her 4.0 grade point average to land a new job.

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