Which of the following contributes to a halo effect/horn effect? a. The service professional's buttoning up his shirt to cover tattoos as he walks to the customer's front door/The smell of cigarette smoke on the service professional. b. The company's not wasting its time looking for complaints on the Internet/The service professional's helping speed the customer through her explanation of the problem. c. The company's handling Internet complaints offline/The service professional's explaining to the customer why the service professional should not have been sent on this service call; he should be off work right now. d. The smell of cigarette smoke on the service professional/the service professional's wearing shoe covers in the customer's home