Internal customers must receive the same high levels of service as external customers?

Internal customers are are customers that are directly related to the business's. External customers are people just come off the street for example. Internal customers should be given the same amount of high service as external because anyone that enters your store should. Whether they are familiar to you or not. Each customer you serve will overall add to the business's' takings. A high level of service will no doubt increase your chances of making a sale, whether or not the customer is internal of external, a customer is a customer and a sale is a sale and every sale and every customer is important.