According to the Textbook, Which of the Following Best Summarizes

According to the textbook, which of the following best summarizes a salesperson's responsibility when a postsale customer complaint arises?

A) find out who is responsible for the problem and subsequently refer the buyer to him or her
B) reassure the customer that all complaints are taken seriously and handled quickly and efficiently by the service department
C) accept responsibility for the problem regardless of who in the selling organization is at fault and take immediate steps to correct the problem
D) document the problem and send the customer the proper information on how to solve it