Communication during promotion should be great, so that customers can easily understand the values ​​of the products. Customer relationship and service is another important part because managing customers in a positive way also improves the image of the company and the product. TASK-4Q-4.1 Answer: There are two types of primary market research research: It is always more time consuming and very expensive It caters to special needs, which is very helpful. Secondary research: It is much cheaper and always takes less time. Apple always provides information about its products on time and accurately. Their customer service is always good. They develop some strategies to manage their company. Q-4.2Answer: Every company has its own strategies for effective communication and monitoring of customer service and quality. Apple also has various strategies, for example it has good staff who deal with customers very good and effectively. They provide the customer with sufficient knowledge about the features and benefits of the product. For online customers, they have provided the toll-free number. so that customers can communicate with them and solve their problems