Final answer:
Luke at ABC Bank Call Centre is delivering Customer Support by informing the customer about a credit card's interest rate, annual fee, and rewards program. His role is to help customers understand the product's features and assist with their queries.
Step-by-step explanation:
Luke from ABC Bank Call Centre is providing Customer Support. When a customer inquires about a new credit card, Luke's responsibility is to offer information and guidance regarding the credit card's features, such as the interest rate, annual fee, and rewards program details. Luke's role is crucial for potential customers to understand the product's benefits and costs, thereby helping them make an informed decision. His support could encompass credit card application assistance, but based on the information provided, his primary role is to support and inform the customer, not necessarily to market the card or offer financial advice.