In Which of the Following Scenarios Would a Failed Relationship

In which of the following scenarios would a failed relationship not be the fault of the salesperson?

A) The salesperson quotes the customer a price for the product,and honors that price even though the customer purchases past the date on the written quote.
B) The tech support department is not able to figure out why they product is not connecting to the customer's other systems,but the salesperson does not check to see that implementation has been completed.
C) The customer service representative tells the salesperson that the customer does not know how to install the product,but the salesperson does not act on this information.
D) The sales manager asks all salespeople to offer incentives in the form of free service contracts to get the customers to purchase quickly.
E) The shipping department fails to ship product to the customer,but records in the CRM software that the product was shipped on schedule.