Flyaway Airlines was not well regarded among frequent business travellers, who are a demanding group. Upon study, the airlines discovered that customers felt their individual preferences were not being respected by the airline. To recognize customers' individual preferences, Flyaway Airlines began to map each step of customer interaction. This included making a note of check-in, seating, food, and baggage preferences. Each of these customer interactions may be referred to as: A) response stimuli B) response centres OC) tangible contacts D) touch points