Tom recently purchased a new home security from A$+$ Security. While installing the system using the installation guide, he quickly runs into difficulties. Tom then calls customer service and is put on hold for a lengthy period of time, which adds to his frustration. When he finally reaches a representative, he finds out that almost $50\%$ of the calls received are for a similar issue. A$+$ Security should consider revising the installation guide to make it easier to understand. By doing so$,$ A$+$ Security would be most likely trying to solve for which of the following issues?

A$.$

Performance variability

B$.$

Service recovery

C$.$

Customer empowerment

D$.$

Management perception

E$.$

Customer failure