Offering regular customers discounts on products is known as an external incentive.
Option D
Step-by-step explanation:
External incentives can be defined as the form of additional bonus, products, loyalty services or exclusive deals. Incentives help in developing the brands in the following areas,
- Trust-worthy relationship
- Stimulating impulsive purchases
External incentives acts as simulator in boosting the business levels; improving the brand and increasing the sales. For example, offering free mints after a meal in restaurants would attract more customers to the restaurant.