Which statement is true of customer service?

Multiple Choice

While bad customer service can distance customers, good customer service alone cannot keep customers happy.

Customer service policies and strategies of companies are vastly different for B$2$B customers than they are for B$2$C customers.

Research shows that it takes less customer service effort to acquire new customers than to maintain existing ones.

Customer service mainly comprises human methods of customer interaction rather than mechanical methods.

It is practically impossible to track the effectiveness of customer service strategies.