Which of the Following Examples Explains the Improved Planning Benefit

Which of the following examples explains the improved planning benefit of using a customer relationship management (CRM) system?

A) enabling improved record keeping and efficient methods of capturing customer complaints that help to identify problems faster
B) learning how each customer defines product and service quality so that customized product, pricing, and services can be designed or developed collaboratively
C) providing mechanisms for managing and scheduling sales follow-ups to assess satisfaction, repurchase probabilities, time frames, and frequencies
D) tracking customer behavior over time that helps to identify future opportunities for product and service offerings
E) providing integrated information that removes information handoffs thereby speeding both sales and support processes