Answer:
Both external and Internal customers help in the profitability and growth of an organization in a direct or indirect manner.
Step-by-step explanation:
External customers refer to the people who pay for goods and services. Their relationship with a business is through the purchasing of goods or services. A business produces goods and services targeting to sell them to external customers. They are also known as clients.
Internal customers are people that have a relationship with the business. They could be employees, trade partners, investors, and shareholders. Internal customers facilitate the smooth running of a business. They make it possible for a business to avail its products and services to external customers. Internal customers may buy or not buy from the business.