Although Brenda Previously Used the US Postal Service Because It

Multiple Choice

Although Brenda previously used the US Postal Service because it offered better prices on package shipping, she now uses only FedEx, because it gives her the facility of shipping from any FedEx location 24 hours a day. Which of the following factors led to Brenda's customer switching behavior?

A) inconvenience
B) pricing
C) response to service failure
D) ethical problems
E) involuntary switching