Answer:
c. responsiveness
Step-by-step explanation:
When customer's complains are quickly attended to as and when required, this is the demonstration of a quality known as responsiveness. Responsiveness is the ability to attend to requests on time when the occasion demands.
It shows and gives an assurance to customers that their request or complaints would be attended to through the channel. Thus, majority of them would prefer to use the channel instead of visiting one of the offices of the company.