Which of the Following Is True Regarding Customer Retention

Multiple Choice

Which of the following is true regarding customer retention?

A) Research has proved that existing customers tend to be less profitable than new customers.
B) The only accurate metric that calculates customer retention is the number of repeat customers.
C) A retention strategy increases the number of loyal customers, but provides no return on investment.
D) Attracting new customers is often more difficult and expensive than retaining existing ones.