Answer:
B. Place the deadline in the opening.
A. Revision B
B. Use the "me" view
A. Acknowledge the problem, and let the customer know that the company is working to rectify the situation.
Step-by-step explanation:
Customer service is the most difficult task. If a customer is angry because of mis functioning of a product then concerns should be heard with patience and the company staff should try to resolve these issues and satisfy customer properly. One angry customer may take away 100 potential customers of a business.